Base | Representation |
---|---|
bin | 10010110111000101… |
… | …11011010000110000 |
3 | 222010200111210102211 |
4 | 21123202323100300 |
5 | 131214202120010 |
6 | 4352435221504 |
7 | 505633011004 |
oct | 113342732060 |
9 | 28120453384 |
10 | 10125816880 |
11 | 432683a103 |
12 | 1b67147894 |
13 | c54a9cc2a |
14 | 6c0b54704 |
15 | 3e3e6208a |
hex | 25b8bb430 |
10125816880 has 40 divisors (see below), whose sum is σ = 23616850032. Its totient is φ = 4037539584.
The previous prime is 10125816823. The next prime is 10125816923. The reversal of 10125816880 is 8861852101.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (40).
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, 174282 + ... + 225001.
Almost surely, 210125816880 is an apocalyptic number.
10125816880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10125816880 is an abundant number, since it is smaller than the sum of its proper divisors (13491033152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10125816880 is a wasteful number, since it uses less digits than its factorization.
10125816880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 399613 (or 399607 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 40.
The spelling of 10125816880 in words is "ten billion, one hundred twenty-five million, eight hundred sixteen thousand, eight hundred eighty".
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