Base | Representation |
---|---|
bin | 10001100000100111… |
… | …000110001111100000 |
3 | 1210112020220002121020 |
4 | 101200213012033200 |
5 | 302000441343404 |
6 | 12345324525440 |
7 | 1233620402061 |
oct | 214047061740 |
9 | 53466802536 |
10 | 18800731104 |
11 | 7a78582601 |
12 | 37883b0880 |
13 | 1a080ab17c |
14 | ca4d06568 |
15 | 750826ed9 |
hex | 4609c63e0 |
18800731104 has 24 divisors (see below), whose sum is σ = 49351919400. Its totient is φ = 6266910336.
The previous prime is 18800731067. The next prime is 18800731111. The reversal of 18800731104 is 40113700881.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97920379 + ... + 97920570.
It is an arithmetic number, because the mean of its divisors is an integer number (2056329975).
Almost surely, 218800731104 is an apocalyptic number.
It is an amenable number.
18800731104 is an abundant number, since it is smaller than the sum of its proper divisors (30551188296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18800731104 is a wasteful number, since it uses less digits than its factorization.
18800731104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195840962 (or 195840954 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 33.
The spelling of 18800731104 in words is "eighteen billion, eight hundred million, seven hundred thirty-one thousand, one hundred four".
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