Base | Representation |
---|---|
bin | 11101010000010000… |
… | …111001001000100000 |
3 | 10000002010001021012012 |
4 | 131100100321020200 |
5 | 1003312303023142 |
6 | 22232530452052 |
7 | 2161255203434 |
oct | 352020711040 |
9 | 100063037165 |
10 | 31411376672 |
11 | 123599a3235 |
12 | 6107734028 |
13 | 2c678c7c20 |
14 | 173da7c9c4 |
15 | c3c9b9882 |
hex | 750439220 |
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".
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