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68111329995 = 32512711917993
BaseRepresentation
bin111111011011110000…
…000110101011001011
320111210210111001200200
4333123300012223023
52103443000024440
651142342103243
74630601516052
oct773360065313
9214723431620
1068111329995
1126982085375
121124a41ab23
13656607cb37
143421c5b399
151b898dec30
hexfdbc06acb

68111329995 has 24 divisors (see below), whose sum is σ = 118989252096. Its totient is φ = 36040007808.

The previous prime is 68111329981. The next prime is 68111330003. The reversal of 68111329995 is 59992311186.

It is not a de Polignac number, because 68111329995 - 212 = 68111325899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5953282 + ... + 5964711.

It is an arithmetic number, because the mean of its divisors is an integer number (4957885504).

Almost surely, 268111329995 is an apocalyptic number.

68111329995 is a deficient number, since it is larger than the sum of its proper divisors (50877922101).

68111329995 is a wasteful number, since it uses less digits than its factorization.

68111329995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918131 (or 11918128 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The spelling of 68111329995 in words is "sixty-eight billion, one hundred eleven million, three hundred twenty-nine thousand, nine hundred ninety-five".

Divisors: 1 3 5 9 15 45 127 381 635 1143 1905 5715 11917993 35753979 59589965 107261937 178769895 536309685 1513585111 4540755333 7567925555 13622265999 22703776665 68111329995