Base | Representation |
---|---|
bin | 110010010001110110… |
… | …011010100111110000 |
3 | 12011100102020211210000 |
4 | 302101312122213300 |
5 | 1341031030144223 |
6 | 40445011310000 |
7 | 3620560155663 |
oct | 622166324760 |
9 | 164312224700 |
10 | 53986568688 |
11 | 20994013118 |
12 | a567bab300 |
13 | 512496ab00 |
14 | 2881d896da |
15 | 160e865543 |
hex | c91d9a9f0 |
53986568688 has 300 divisors, whose sum is σ = 178115634840. Its totient is φ = 15735762432.
The previous prime is 53986568677. The next prime is 53986568711. The reversal of 53986568688 is 88686568935.
53986568688 is a `hidden beast` number, since 53 + 9 + 8 + 6 + 568 + 6 + 8 + 8 = 666.
53986568688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4154970 + ... + 4167942.
Almost surely, 253986568688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53986568688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89057817420).
53986568688 is an abundant number, since it is smaller than the sum of its proper divisors (124129066152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53986568688 is a wasteful number, since it uses less digits than its factorization.
53986568688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13038 (or 13010 counting only the distinct ones).
The product of its digits is 597196800, while the sum is 72.
The spelling of 53986568688 in words is "fifty-three billion, nine hundred eighty-six million, five hundred sixty-eight thousand, six hundred eighty-eight".
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