Base | Representation |
---|---|
bin | 10111101000100100… |
… | …110100110010000000 |
3 | 2102111112221012200110 |
4 | 113220210310302000 |
5 | 403432430211333 |
6 | 15354040551320 |
7 | 1555601163135 |
oct | 275044646200 |
9 | 72445835613 |
10 | 25376803968 |
11 | a8425a946a |
12 | 4b02782540 |
13 | 2515615a49 |
14 | 132a43058c |
15 | 9d7d03063 |
hex | 5e8934c80 |
25376803968 has 64 divisors (see below), whose sum is σ = 67760248320. Its totient is φ = 8414622720.
The previous prime is 25376803967. The next prime is 25376804017. The reversal of 25376803968 is 86930867352.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (25376803961) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99655 + ... + 246342.
It is an arithmetic number, because the mean of its divisors is an integer number (1058753880).
Almost surely, 225376803968 is an apocalyptic number.
It is an amenable number.
25376803968 is an abundant number, since it is smaller than the sum of its proper divisors (42383444352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25376803968 is a wasteful number, since it uses less digits than its factorization.
25376803968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346205 (or 346193 counting only the distinct ones).
The product of its (nonzero) digits is 13063680, while the sum is 57.
The spelling of 25376803968 in words is "twenty-five billion, three hundred seventy-six million, eight hundred three thousand, nine hundred sixty-eight".
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