Base | Representation |
---|---|
bin | 10100111000111100… |
… | …110000000101101010 |
3 | 2010220012112121011020 |
4 | 110320330300011222 |
5 | 331414123124221 |
6 | 14145422513310 |
7 | 1422562200240 |
oct | 247074600552 |
9 | 63805477136 |
10 | 22430286186 |
11 | 9570348000 |
12 | 441ba35836 |
13 | 21660388b9 |
14 | 112ad8a790 |
15 | 8b42c5ac6 |
hex | 538f3016a |
22430286186 has 64 divisors (see below), whose sum is σ = 56392436736. Its totient is φ = 5826033840.
The previous prime is 22430286103. The next prime is 22430286199. The reversal of 22430286186 is 68168203422.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144720 + ... + 256523.
It is an arithmetic number, because the mean of its divisors is an integer number (881131824).
Almost surely, 222430286186 is an apocalyptic number.
22430286186 is an abundant number, since it is smaller than the sum of its proper divisors (33962150550).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22430286186 is a wasteful number, since it uses less digits than its factorization.
22430286186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401288 (or 401266 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 42.
The spelling of 22430286186 in words is "twenty-two billion, four hundred thirty million, two hundred eighty-six thousand, one hundred eighty-six".
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