Base | Representation |
---|---|
bin | 10011110011100100111… |
… | …11001100100001000000 |
3 | 2102001120000000001010210 |
4 | 21321302133030201000 |
5 | 42122204024104440 |
6 | 1240343521354120 |
7 | 100111026161253 |
oct | 11716237144100 |
9 | 2361500001123 |
10 | 680525613120 |
11 | 242677a70591 |
12 | aba82798940 |
13 | 4c2339446b2 |
14 | 24d1ab6109a |
15 | 12a7e563a80 |
hex | 9e727cc840 |
680525613120 has 112 divisors (see below), whose sum is σ = 2160857703168. Its totient is φ = 181457633280.
The previous prime is 680525613109. The next prime is 680525613121. The reversal of 680525613120 is 21316525086.
It is a super-2 number, since 2×6805256131202 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (680525613121) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14508105 + ... + 14554935.
Almost surely, 2680525613120 is an apocalyptic number.
680525613120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
680525613120 is an abundant number, since it is smaller than the sum of its proper divisors (1480332090048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680525613120 is a wasteful number, since it uses less digits than its factorization.
680525613120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61988 (or 61978 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 39.
The spelling of 680525613120 in words is "six hundred eighty billion, five hundred twenty-five million, six hundred thirteen thousand, one hundred twenty".
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