Base | Representation |
---|---|
bin | 110001000101… |
… | …110100100100 |
3 | 220012210210221 |
4 | 301011310210 |
5 | 11243301100 |
6 | 1135454124 |
7 | 214245442 |
oct | 61056444 |
9 | 26183727 |
10 | 12868900 |
11 | 729a660 |
12 | 4387344 |
13 | 2887645 |
14 | 19cdb92 |
15 | 11e301a |
hex | c45d24 |
12868900 has 36 divisors (see below), whose sum is σ = 30466800. Its totient is φ = 4679200.
The previous prime is 12868897. The next prime is 12868913. The reversal of 12868900 is 986821.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4750 + ... + 6949.
It is an arithmetic number, because the mean of its divisors is an integer number (846300).
Almost surely, 212868900 is an apocalyptic number.
12868900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12868900 is an abundant number, since it is smaller than the sum of its proper divisors (17597900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12868900 is a wasteful number, since it uses less digits than its factorization.
12868900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11724 (or 11717 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 12868900 is about 3587.3249086192. The cubic root of 12868900 is about 234.3403865921.
The spelling of 12868900 in words is "twelve million, eight hundred sixty-eight thousand, nine hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •