Base | Representation |
---|---|
bin | 10101100100101110… |
… | …000111000110110000 |
3 | 2012210101100221011202 |
4 | 111210232013012300 |
5 | 334420122131213 |
6 | 14350334430332 |
7 | 1450020145343 |
oct | 254456070660 |
9 | 65711327152 |
10 | 23164645808 |
11 | 9907925287 |
12 | 45a59623a8 |
13 | 2252218415 |
14 | 119a70a45a |
15 | 9089d3b58 |
hex | 564b871b0 |
23164645808 has 40 divisors (see below), whose sum is σ = 47533832640. Its totient is φ = 10898201600.
The previous prime is 23164645793. The next prime is 23164645837. The reversal of 23164645808 is 80854646132.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362158 + ... + 1379058.
It is an arithmetic number, because the mean of its divisors is an integer number (1188345816).
Almost surely, 223164645808 is an apocalyptic number.
It is an amenable number.
23164645808 is an abundant number, since it is smaller than the sum of its proper divisors (24369186832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23164645808 is a wasteful number, since it uses less digits than its factorization.
23164645808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21965 (or 21959 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 47.
The spelling of 23164645808 in words is "twenty-three billion, one hundred sixty-four million, six hundred forty-five thousand, eight hundred eight".
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