Base | Representation |
---|---|
bin | 11100111010000011… |
… | …011101110101110000 |
3 | 2222010010220021211010 |
4 | 130322003131311300 |
5 | 1002031410231011 |
6 | 22131540150520 |
7 | 2146112043402 |
oct | 347203356560 |
9 | 88103807733 |
10 | 31038758256 |
11 | 1218862a530 |
12 | 6022998440 |
13 | 2c0865285c |
14 | 17063a4b72 |
15 | c19e141a6 |
hex | 73a0ddd70 |
31038758256 has 40 divisors (see below), whose sum is σ = 87472865664. Its totient is φ = 9405684160.
The previous prime is 31038758213. The next prime is 31038758273. The reversal of 31038758256 is 65285783013.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29392236 + ... + 29393291.
Almost surely, 231038758256 is an apocalyptic number.
It is an amenable number.
31038758256 is an abundant number, since it is smaller than the sum of its proper divisors (56434107408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31038758256 is a wasteful number, since it uses less digits than its factorization.
31038758256 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58785549 (or 58785543 counting only the distinct ones).
The product of its (nonzero) digits is 1209600, while the sum is 48.
The spelling of 31038758256 in words is "thirty-one billion, thirty-eight million, seven hundred fifty-eight thousand, two hundred fifty-six".
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