Base | Representation |
---|---|
bin | 111111011011001110… |
… | …101010011100010000 |
3 | 20111210011222200110101 |
4 | 333123032222130100 |
5 | 2103433224013400 |
6 | 51141430142144 |
7 | 4630434145051 |
oct | 773316523420 |
9 | 214704880411 |
10 | 68102563600 |
11 | 26978138015 |
12 | 112474b1954 |
13 | 6564300916 |
14 | 3420a18728 |
15 | 1b88c5c56a |
hex | fdb3aa710 |
68102563600 has 30 divisors (see below), whose sum is σ = 163616410010. Its totient is φ = 27241025280.
The previous prime is 68102563579. The next prime is 68102563631. The reversal of 68102563600 is 636520186.
It can be written as a sum of positive squares in 3 ways, for example, as 9468846864 + 58633716736 = 97308^2 + 242144^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 68102563600.
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, 85127805 + ... + 85128604.
Almost surely, 268102563600 is an apocalyptic number.
It is an amenable number.
68102563600 is an abundant number, since it is smaller than the sum of its proper divisors (95513846410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68102563600 is a wasteful number, since it uses less digits than its factorization.
68102563600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 170256427 (or 170256416 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The spelling of 68102563600 in words is "sixty-eight billion, one hundred two million, five hundred sixty-three thousand, six hundred".
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