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

bin | 111000101110110000000… |

… | …000110100100010011001 |

3 | 111210200200100121012200100 |

4 | 320232300000310202121 |

5 | 1002333101003431211 |

6 | 12142535114530013 |

7 | 551441114105322 |

oct | 70566000644231 |

9 | 14720610535610 |

10 | 3898488342681 |

11 | 1273381043aa9 |

12 | 52b677a36909 |

13 | 22381a074a0a |

14 | d698b623449 |

15 | 6b61e1c2156 |

hex | 38bb0034899 |

3898488342681 has 9 divisors (see below), whose sum is σ = 5631158384319. Its totient is φ = 2598988279536.

The previous prime is 3898488342667. The next prime is 3898488342733. The reversal of 3898488342681 is 1862438848983.

The square root of 3898488342681 is 1974459.

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

3898488342681 is a *`hidden beast`* number, since 3 + 8 + 9 + 8 + 48 + 83 + 426 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1350046467225 + 2548441875456 = 1161915^2 + 1596384^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3898488342681 - 2^{5} = 3898488342649 is a prime.

It is a super-2 number, since 2×3898488342681^{2} (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3898488347681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5594301 + ... + 6252453.

Almost surely, 2^{3898488342681} is an apocalyptic number.

3898488342681 is the 1974459-th square number.

3898488342681 is the 987230-th centered octagonal number.

It is an amenable number.

3898488342681 is a deficient number, since it is larger than the sum of its proper divisors (1732670041638).

3898488342681 is an frugal number, since it uses more digits than its factorization.

3898488342681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316312 (or 658156 counting only the distinct ones).

The product of its digits is 509607936, while the sum is 72.

The spelling of 3898488342681 in words is "three trillion, eight hundred ninety-eight billion, four hundred eighty-eight million, three hundred forty-two thousand, six hundred eighty-one".

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