Base | Representation |
---|---|
bin | 11101101110111100… |
… | …011100111110000000 |
3 | 10001101222121112111100 |
4 | 131232330130332000 |
5 | 1010341041042003 |
6 | 22355555214400 |
7 | 2210105322051 |
oct | 355674347600 |
9 | 101358545440 |
10 | 31926112128 |
11 | 125a3504639 |
12 | 622bba7400 |
13 | 301a43c111 |
14 | 178c18c728 |
15 | c6cc93ba3 |
hex | 76ef1cf80 |
31926112128 has 48 divisors (see below), whose sum is σ = 91870716600. Its totient is φ = 10642036992.
The previous prime is 31926112051. The next prime is 31926112133. The reversal of 31926112128 is 82121162913.
31926112128 is a `hidden beast` number, since 3 + 19 + 2 + 611 + 2 + 1 + 28 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 31926112092 and 31926112101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13855668 + ... + 13857971.
Almost surely, 231926112128 is an apocalyptic number.
It is an amenable number.
31926112128 is an abundant number, since it is smaller than the sum of its proper divisors (59944604472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31926112128 is a wasteful number, since it uses less digits than its factorization.
31926112128 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27713659 (or 27713644 counting only the distinct ones).
The product of its digits is 10368, while the sum is 36.
The spelling of 31926112128 in words is "thirty-one billion, nine hundred twenty-six million, one hundred twelve thousand, one hundred twenty-eight".
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