Base | Representation |
---|---|
bin | 10111010011000110… |
… | …11011100000000000 |
3 | 1012021201121011112002 |
4 | 23221203123200000 |
5 | 201104112013400 |
6 | 5425104323132 |
7 | 621652624406 |
oct | 135143334000 |
9 | 35251534462 |
10 | 12508313600 |
11 | 5339687162 |
12 | 25110134a8 |
13 | 124456a9c3 |
14 | 869339476 |
15 | 4d31cbed5 |
hex | 2e98db800 |
12508313600 has 72 divisors (see below), whose sum is σ = 31013171280. Its totient is φ = 5003304960.
The previous prime is 12508313593. The next prime is 12508313621. The reversal of 12508313600 is 631380521.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70952 + ... + 173351.
It is an arithmetic number, because the mean of its divisors is an integer number (430738490).
Almost surely, 212508313600 is an apocalyptic number.
12508313600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12508313600 is an abundant number, since it is smaller than the sum of its proper divisors (18504857680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12508313600 is an equidigital number, since it uses as much as digits as its factorization.
12508313600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244335 (or 244310 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The spelling of 12508313600 in words is "twelve billion, five hundred eight million, three hundred thirteen thousand, six hundred".
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