Base | Representation |
---|---|
bin | 110100011010100011… |
… | …000011001111000100 |
3 | 12101021020200201222100 |
4 | 310122203003033010 |
5 | 1410230133031011 |
6 | 41504335032100 |
7 | 4031445600252 |
oct | 643243031704 |
9 | 171236621870 |
10 | 56279970756 |
11 | 21960638029 |
12 | aaa806b630 |
13 | 53cbb42a59 |
14 | 2a1c7bb5d2 |
15 | 16e5d81d56 |
hex | d1a8c33c4 |
56279970756 has 81 divisors (see below), whose sum is σ = 150217065453. Its totient is φ = 17764081920.
The previous prime is 56279970751. The next prime is 56279970757. The reversal of 56279970756 is 65707997265.
The square root of 56279970756 is 237234.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 21325929156 + 34954041600 = 146034^2 + 186960^2 .
It is a junction number, because it is equal to n+sod(n) for n = 56279970693 and 56279970702.
It is not an unprimeable number, because it can be changed into a prime (56279970751) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27043636 + ... + 27045716.
Almost surely, 256279970756 is an apocalyptic number.
56279970756 is the 237234-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 56279970756
56279970756 is an abundant number, since it is smaller than the sum of its proper divisors (93937094697).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56279970756 is a wasteful number, since it uses less digits than its factorization.
56279970756 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4210 (or 2105 counting only the distinct ones).
The product of its (nonzero) digits is 50009400, while the sum is 63.
The spelling of 56279970756 in words is "fifty-six billion, two hundred seventy-nine million, nine hundred seventy thousand, seven hundred fifty-six".
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