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13405422154131 = 327451394713983
BaseRepresentation
bin1100001100010011000101…
…1011001111000110010011
31202110112201220210212102200
43003010301123033012103
53224113301032413011
644302211012214243
72552336600142060
oct303046133170623
952415656725380
1013405422154131
1142a9231366807
12160608890a383
13763183752687
14344b7c379c67
15183a8c0c4856
hexc31316cf193

13405422154131 has 24 divisors (see below), whose sum is σ = 22130080727040. Its totient is φ = 7660069902576.

The previous prime is 13405422154127. The next prime is 13405422154183. The reversal of 13405422154131 is 13145122450431.

13405422154131 is a `hidden beast` number, since 1 + 3 + 40 + 5 + 42 + 2 + 1 + 541 + 31 = 666.

It is not a de Polignac number, because 13405422154131 - 22 = 13405422154127 is a prime.

It is a super-2 number, since 2×134054221541312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13405422154331) 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, 486766 + ... + 5200748.

It is an arithmetic number, because the mean of its divisors is an integer number (922086696960).

Almost surely, 213405422154131 is an apocalyptic number.

13405422154131 is a deficient number, since it is larger than the sum of its proper divisors (8724658572909).

13405422154131 is a wasteful number, since it uses less digits than its factorization.

13405422154131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759135 (or 4759132 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 13405422154131 in words is "thirteen trillion, four hundred five billion, four hundred twenty-two million, one hundred fifty-four thousand, one hundred thirty-one".

Divisors: 1 3 7 9 21 63 45139 135417 315973 406251 947919 2843757 4713983 14141949 32997881 42425847 98993643 296980929 212784478637 638353435911 1489491350459 1915060307733 4468474051377 13405422154131