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31411376672 = 251375508117
BaseRepresentation
bin11101010000010000…
…111001001000100000
310000002010001021012012
4131100100321020200
51003312303023142
622232530452052
72161255203434
oct352020711040
9100063037165
1031411376672
11123599a3235
126107734028
132c678c7c20
14173da7c9c4
15c3c9b9882
hex750439220

31411376672 has 24 divisors (see below), whose sum is σ = 66598160076. Its totient is φ = 14497558272.

The previous prime is 31411376657. The next prime is 31411376681. The reversal of 31411376672 is 27667311413.

It can be written as a sum of positive squares in 2 ways, for example, as 30274608016 + 1136768656 = 173996^2 + 33716^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37753643 + ... + 37754474.

Almost surely, 231411376672 is an apocalyptic number.

31411376672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31411376672 is an abundant number, since it is smaller than the sum of its proper divisors (35186783404).

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

31411376672 is a wasteful number, since it uses less digits than its factorization.

31411376672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75508140 (or 75508132 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The spelling of 31411376672 in words is "thirty-one billion, four hundred eleven million, three hundred seventy-six thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 75508117 151016234 302032468 604064936 981605521 1208129872 1963211042 2416259744 3926422084 7852844168 15705688336 31411376672