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

bin | 1000001011010010100… |

… | …1101111000001010001 |

3 | 111102120120200211101100 |

4 | 2002310221233001101 |

5 | 4300140231332344 |

6 | 144310403055013 |

7 | 13101654352521 |

oct | 2026451570121 |

9 | 442516624340 |

10 | 140469792849 |

11 | 546335994a1 |

12 | 23283071469 |

13 | 10327ccba29 |

14 | 6b27b9d681 |

15 | 39c20be569 |

hex | 20b4a6f051 |

140469792849 has 27 divisors (see below), whose sum is σ = 204095006427. Its totient is φ = 93098581200.

The previous prime is 140469792817. The next prime is 140469792889. The reversal of 140469792849 is 948297964041.

The square root of 140469792849 is 374793.

It is a perfect power (a square), and thus also a powerful number.

140469792849 is a *`hidden beast`* number, since 1 + 4 + 0 + 469 + 7 + 92 + 84 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45025869249 + 95443923600 = 212193^2 + 308940^2 .

It is not a de Polignac number, because 140469792849 - 2^{5} = 140469792817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140469792889) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 304706479 + ... + 304706939.

Almost surely, 2^{140469792849} is an apocalyptic number.

140469792849 is the 374793-rd square number.

140469792849 is the 187397-th centered octagonal number.

It is an amenable number.

140469792849 is a deficient number, since it is larger than the sum of its proper divisors (63625213578).

140469792849 is an frugal number, since it uses more digits than its factorization.

140469792849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 140469792849 in words is "one hundred forty billion, four hundred sixty-nine million, seven hundred ninety-two thousand, eight hundred forty-nine".

Divisors: 1 3 9 271 461 813 1383 2439 4149 73441 124931 212521 220323 374793 637563 660969 1124379 1912689 33856301 57593191 101568903 172779573 304706709 518338719 15607754761 46823264283 140469792849

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