Base | Representation |
---|---|

bin | 111110000001010… |

… | …0101000110001111 |

3 | 12101000212100022211 |

4 | 1330002211012033 |

5 | 13230222113043 |

6 | 542300051251 |

7 | 102366433102 |

oct | 17402450617 |

9 | 5330770284 |

10 | 2081051023 |

11 | 978776487 |

12 | 4a0b33b27 |

13 | 2721b4c4c |

14 | 15a556739 |

15 | c2a72a9d |

hex | 7c0a518f |

2081051023 has 4 divisors (see below), whose sum is σ = 2081156688. Its totient is φ = 2080945360.

The previous prime is 2081051003. The next prime is 2081051029. The reversal of 2081051023 is 3201501802.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3201501802 = 2 ⋅1600750901.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^{k}-2081051023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to *n*+sod(*n*) for *n* = 2081050985 and 2081051003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081051029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13558 + ... + 65923.

It is an arithmetic number, because the mean of its divisors is an integer number (520289172).

Almost surely, 2^{2081051023} is an apocalyptic number.

2081051023 is a deficient number, since it is larger than the sum of its proper divisors (105665).

2081051023 is an equidigital number, since it uses as much as digits as its factorization.

2081051023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105664.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 2081051023 is about 45618.5381506247. The cubic root of 2081051023 is about 1276.7158286584.

Adding to 2081051023 its reverse (3201501802), we get a palindrome (5282552825).

The spelling of 2081051023 in words is "two billion, eighty-one million, fifty-one thousand, twenty-three".

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