Base | Representation |
---|---|
bin | 10010101000001000… |
… | …100010101001001100 |
3 | 1220121212210211202100 |
4 | 102220020202221030 |
5 | 311430133234044 |
6 | 13104351555100 |
7 | 1305430656636 |
oct | 225010425114 |
9 | 56555724670 |
10 | 20000680524 |
11 | 8533954340 |
12 | 3a6222ba90 |
13 | 1b69885606 |
14 | d7a421a56 |
15 | 7c0d52869 |
hex | 4a8222a4c |
20000680524 has 72 divisors (see below), whose sum is σ = 58056223680. Its totient is φ = 5741820000.
The previous prime is 20000680507. The next prime is 20000680529. The reversal of 20000680524 is 42508600002.
It is a super-2 number, since 2×200006805242 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20000680529) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321602 + ... + 1336649.
It is an arithmetic number, because the mean of its divisors is an integer number (806336440).
Almost surely, 220000680524 is an apocalyptic number.
It is an amenable number.
20000680524 is an abundant number, since it is smaller than the sum of its proper divisors (38055543156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000680524 is a wasteful number, since it uses less digits than its factorization.
20000680524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2658291 (or 2658286 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The spelling of 20000680524 in words is "twenty billion, six hundred eighty thousand, five hundred twenty-four".
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