Base | Representation |
---|---|
bin | 10101001001110100… |
… | …110001100001000100 |
3 | 2011121221021122122220 |
4 | 111021310301201010 |
5 | 333004113020211 |
6 | 14233455052340 |
7 | 1432600531050 |
oct | 251164614104 |
9 | 64557248586 |
10 | 22713407556 |
11 | 96a6143304 |
12 | 449a8110b0 |
13 | 21ac8a6c38 |
14 | 1156808c60 |
15 | 8ce09d806 |
hex | 549d31844 |
22713407556 has 48 divisors (see below), whose sum is σ = 60585383040. Its totient is φ = 6487799040.
The previous prime is 22713407551. The next prime is 22713407567. The reversal of 22713407556 is 65570431722.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (22713407551) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295626 + ... + 364446.
It is an arithmetic number, because the mean of its divisors is an integer number (1262195480).
Almost surely, 222713407556 is an apocalyptic number.
It is an amenable number.
22713407556 is an abundant number, since it is smaller than the sum of its proper divisors (37871975484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22713407556 is a wasteful number, since it uses less digits than its factorization.
22713407556 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72764 (or 72762 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 42.
The spelling of 22713407556 in words is "twenty-two billion, seven hundred thirteen million, four hundred seven thousand, five hundred fifty-six".
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