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

bin | 1101111011000011100011… |

… | …0001110010110110010000 |

3 | 2000012110011220011111010100 |

4 | 3132300320301302312100 |

5 | 4001302211300122433 |

6 | 52320255232332400 |

7 | 3136660602142215 |

oct | 336607061626620 |

9 | 60173156144110 |

10 | 15308216020368 |

11 | 49721a594a557 |

12 | 1872a026a4100 |

13 | 8707352676ab |

14 | 3accc8c73b0c |

15 | 1b830628eb13 |

hex | dec38c72d90 |

15308216020368 has 120 divisors (see below), whose sum is σ = 43900778592216. Its totient is φ = 4976680550400.

The previous prime is 15308216020319. The next prime is 15308216020369. The reversal of 15308216020368 is 86302061280351.

15308216020368 is a *`hidden beast`* number, since 1 + 5 + 3 + 0 + 8 + 2 + 1 + 602 + 0 + 36 + 8 = 666.

15308216020368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1806206978304 + 13502009042064 = 1343952^2 + 3674508^2 .

It is not an unprimeable number, because it can be changed into a prime (15308216020369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18010996 + ... + 18841772.

Almost surely, 2^{15308216020368} is an apocalyptic number.

15308216020368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15308216020368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21950389296108).

15308216020368 is an abundant number, since it is smaller than the sum of its proper divisors (28592562571848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15308216020368 is a wasteful number, since it uses less digits than its factorization.

15308216020368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833953 (or 833944 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 15308216020368 in words is "fifteen trillion, three hundred eight billion, two hundred sixteen million, twenty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 41 48 72 82 123 144 164 246 328 369 492 656 738 984 1476 1968 2952 3121 5904 6242 9363 12484 18726 24968 28089 37452 49936 56178 74904 112356 127961 149808 224712 255922 383883 449424 511844 767766 830777 1023688 1151649 1535532 1661554 2047376 2303298 2492331 3071064 3323108 4606596 4984662 6142128 6646216 7476993 9213192 9969324 13292432 14953986 18426384 19938648 29907972 34061857 39877296 59815944 68123714 102185571 119631888 136247428 204371142 272494856 306556713 408742284 544989712 613113426 817484568 1226226852 1634969136 2452453704 2592855017 4904907408 5185710034 7778565051 10371420068 15557130102 20742840136 23335695153 31114260204 41485680272 46671390306 62228520408 93342780612 106307055697 124457040816 186685561224 212614111394 318921167091 373371122448 425228222788 637842334182 850456445576 956763501273 1275684668364 1700912891152 1913527002546 2551369336728 3827054005092 5102738673456 7654108010184 15308216020368

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