Base | Representation |
---|---|
bin | 110100111101001101… |
… | …000111111101001000 |
3 | 12102202202210200220111 |
4 | 310331031013331020 |
5 | 1412423011103410 |
6 | 42042145404104 |
7 | 4052036066446 |
oct | 647515077510 |
9 | 172682720814 |
10 | 56861425480 |
11 | 22129879622 |
12 | b02a939634 |
13 | 54924473c2 |
14 | 2a75ad7b96 |
15 | 172be39b8a |
hex | d3d347f48 |
56861425480 has 32 divisors (see below), whose sum is σ = 128677750200. Its totient is φ = 22613095936.
The previous prime is 56861425451. The next prime is 56861425487. The reversal of 56861425480 is 8452416865.
It can be written as a sum of positive squares in 4 ways, for example, as 53417378884 + 3444046596 = 231122^2 + 58686^2 .
It is not an unprimeable number, because it can be changed into a prime (56861425487) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4101565 + ... + 4115404.
Almost surely, 256861425480 is an apocalyptic number.
It is an amenable number.
56861425480 is an abundant number, since it is smaller than the sum of its proper divisors (71816324720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56861425480 is a wasteful number, since it uses less digits than its factorization.
56861425480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8217153 (or 8217149 counting only the distinct ones).
The product of its (nonzero) digits is 1843200, while the sum is 49.
The spelling of 56861425480 in words is "fifty-six billion, eight hundred sixty-one million, four hundred twenty-five thousand, four hundred eighty".
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