Base | Representation |
---|---|
bin | 101000100010011… |
… | …011000110110100 |
3 | 1202101202022001020 |
4 | 220202123012310 |
5 | 2343102100224 |
6 | 151253101140 |
7 | 22565601315 |
oct | 5042330664 |
9 | 1671668036 |
10 | 680112564 |
11 | 3199a66aa |
12 | 16b9277b0 |
13 | aab98291 |
14 | 6647c60c |
15 | 3ea94c79 |
hex | 2889b1b4 |
680112564 has 24 divisors (see below), whose sum is σ = 1587556320. Its totient is φ = 226614624.
The previous prime is 680112473. The next prime is 680112583. The reversal of 680112564 is 465211086.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25167 + ... + 44649.
It is an arithmetic number, because the mean of its divisors is an integer number (66148180).
Almost surely, 2680112564 is an apocalyptic number.
It is an amenable number.
680112564 is an abundant number, since it is smaller than the sum of its proper divisors (907443756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680112564 is a wasteful number, since it uses less digits than its factorization.
680112564 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22399 (or 22397 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 33.
The square root of 680112564 is about 26078.9678476737. The cubic root of 680112564 is about 879.4144537874.
The spelling of 680112564 in words is "six hundred eighty million, one hundred twelve thousand, five hundred sixty-four".
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