Base | Representation |
---|---|
bin | 111111010101000111… |
… | …101110001110101000 |
3 | 20111112001011000111102 |
4 | 333111013232032220 |
5 | 2103231010041213 |
6 | 51123325420532 |
7 | 4625051102312 |
oct | 772507561650 |
9 | 214461130442 |
10 | 68000080808 |
11 | 269253001a0 |
12 | 1121910a748 |
13 | 6548ccb00a |
14 | 341117c7b2 |
15 | 1b7ec67158 |
hex | fd51ee3a8 |
68000080808 has 32 divisors (see below), whose sum is σ = 139193069760. Its totient is φ = 30886462080.
The previous prime is 68000080787. The next prime is 68000080831. The reversal of 68000080808 is 80808000086.
68000080808 is a modest number, since divided by 80808 gives 68000 as remainder.
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, 162341 + ... + 402932.
It is an arithmetic number, because the mean of its divisors is an integer number (4349783430).
Almost surely, 268000080808 is an apocalyptic number.
It is an amenable number.
68000080808 is an abundant number, since it is smaller than the sum of its proper divisors (71192988952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68000080808 is a wasteful number, since it uses less digits than its factorization.
68000080808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 566657 (or 566653 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 38.
The spelling of 68000080808 in words is "sixty-eight billion, eighty thousand, eight hundred eight".
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