Base | Representation |
---|---|
bin | 10000111111110010… |
… | …101011111011111000 |
3 | 1202002212211012110122 |
4 | 100333302223323320 |
5 | 244334012332302 |
6 | 12214535232412 |
7 | 1214153316500 |
oct | 207762537370 |
9 | 52085735418 |
10 | 18250120952 |
11 | 7815798a98 |
12 | 3653b18708 |
13 | 194acb604b |
14 | c51b38a00 |
15 | 71c3133a2 |
hex | 43fcabef8 |
18250120952 has 48 divisors (see below), whose sum is σ = 39822993000. Its totient is φ = 7818092352.
The previous prime is 18250120913. The next prime is 18250120979. The reversal of 18250120952 is 25902105281.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1033574 + ... + 1051082.
Almost surely, 218250120952 is an apocalyptic number.
It is an amenable number.
18250120952 is an abundant number, since it is smaller than the sum of its proper divisors (21572872048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18250120952 is a wasteful number, since it uses less digits than its factorization.
18250120952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20188 (or 20177 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 35.
The spelling of 18250120952 in words is "eighteen billion, two hundred fifty million, one hundred twenty thousand, nine hundred fifty-two".
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