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13431121104115 = 5111319799492059
BaseRepresentation
bin1100001101110010110100…
…1100111100110011110011
31202120000001220220210101001
43003130231030330303303
53230023414000312430
644322101042022431
72554236462462361
oct303345514746363
952500056823331
1013431121104115
114309119795250
12160b05b347a17
1376571aa1b360
143460d94a6631
1518459330d3ca
hexc372d33ccf3

13431121104115 has 32 divisors (see below), whose sum is σ = 18944633030400. Its totient is φ = 9012139547520.

The previous prime is 13431121104101. The next prime is 13431121104211. The reversal of 13431121104115 is 51140112113431.

It is a happy number.

It is not a de Polignac number, because 13431121104115 - 231 = 13428973620467 is a prime.

It is a super-4 number, since 4×134311211041154 (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3331045 + ... + 6161014.

It is an arithmetic number, because the mean of its divisors is an integer number (592019782200).

Almost surely, 213431121104115 is an apocalyptic number.

13431121104115 is a deficient number, since it is larger than the sum of its proper divisors (5513511926285).

13431121104115 is a wasteful number, since it uses less digits than its factorization.

13431121104115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494067.

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 13431121104115 its reverse (51140112113431), we get a palindrome (64571233217546).

The spelling of 13431121104115 in words is "thirteen trillion, four hundred thirty-one billion, one hundred twenty-one million, one hundred four thousand, one hundred fifteen".

Divisors: 1 5 11 13 55 65 143 715 1979 9895 21769 25727 108845 128635 282997 1414985 9492059 47460295 104412649 123396767 522063245 616983835 1357364437 6786822185 18784784761 93923923805 206632632371 244202201893 1033163161855 1221011009465 2686224220823 13431121104115