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15131045415432 = 233630460225643
BaseRepresentation
bin1101110000101111100010…
…0101100100101000001000
31222120111212120102020020110
43130023320211210220020
53440401340111243212
652103034543354320
73121116260636262
oct334137045445010
958514776366213
1015131045415432
114904049742801
1218445b85b29a0
13859b0b872c0b
143a44bcb50b32
151b38d717aa3c
hexdc2f8964a08

15131045415432 has 16 divisors (see below), whose sum is σ = 37827613538640. Its totient is φ = 5043681805136.

The previous prime is 15131045415397. The next prime is 15131045415463. The reversal of 15131045415432 is 23451454013151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315230112798 + ... + 315230112845.

It is an arithmetic number, because the mean of its divisors is an integer number (2364225846165).

Almost surely, 215131045415432 is an apocalyptic number.

15131045415432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15131045415432 is an abundant number, since it is smaller than the sum of its proper divisors (22696568123208).

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

15131045415432 is a wasteful number, since it uses less digits than its factorization.

15131045415432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630460225652 (or 630460225648 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 15131045415432 its reverse (23451454013151), we get a palindrome (38582499428583).

The spelling of 15131045415432 in words is "fifteen trillion, one hundred thirty-one billion, forty-five million, four hundred fifteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 630460225643 1260920451286 1891380676929 2521840902572 3782761353858 5043681805144 7565522707716 15131045415432