Base | Representation |
---|---|
bin | 111111110110110000… |
… | …100011000010010010 |
3 | 20112222101001222102011 |
4 | 333312300203002102 |
5 | 2110404443242434 |
6 | 51255325413134 |
7 | 4645043022163 |
oct | 776660430222 |
9 | 215871058364 |
10 | 68564430994 |
11 | 27094919904 |
12 | 1135610a1aa |
13 | 6608bc4137 |
14 | 34660c576a |
15 | 1bb4591e64 |
hex | ff6c23092 |
68564430994 has 16 divisors (see below), whose sum is σ = 102993742656. Its totient is φ = 34233210000.
The previous prime is 68564430989. The next prime is 68564431049. The reversal of 68564430994 is 49903446586.
68564430994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 9975379 + ... + 9982249.
It is an arithmetic number, because the mean of its divisors is an integer number (6437108916).
Almost surely, 268564430994 is an apocalyptic number.
68564430994 is a deficient number, since it is larger than the sum of its proper divisors (34429311662).
68564430994 is a wasteful number, since it uses less digits than its factorization.
68564430994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13281.
The product of its (nonzero) digits is 22394880, while the sum is 58.
The spelling of 68564430994 in words is "sixty-eight billion, five hundred sixty-four million, four hundred thirty thousand, nine hundred ninety-four".
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