Base | Representation |
---|---|
bin | 110100110110111000… |
… | …000111100111010101 |
3 | 12102111101000201102211 |
4 | 310312320013213111 |
5 | 1412213321141030 |
6 | 42023434033421 |
7 | 4046306466655 |
oct | 646670074725 |
9 | 172441021384 |
10 | 56755255765 |
11 | 2208495375a |
12 | abbb278871 |
13 | 54764535a0 |
14 | 2a6597c365 |
15 | 172296712a |
hex | d36e079d5 |
56755255765 has 32 divisors (see below), whose sum is σ = 76260048480. Its totient is φ = 40260670464.
The previous prime is 56755255763. The next prime is 56755255847.
56755255765 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 16 ways, for example, as 15457700241 + 41297555524 = 124329^2 + 203218^2 .
It is a cyclic number.
It is not a de Polignac number, because 56755255765 - 21 = 56755255763 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56755255763) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294927 + ... + 447763.
It is an arithmetic number, because the mean of its divisors is an integer number (2383126515).
Almost surely, 256755255765 is an apocalyptic number.
It is an amenable number.
56755255765 is a deficient number, since it is larger than the sum of its proper divisors (19504792715).
56755255765 is a wasteful number, since it uses less digits than its factorization.
56755255765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153081.
The product of its digits is 55125000, while the sum is 58.
The spelling of 56755255765 in words is "fifty-six billion, seven hundred fifty-five million, two hundred fifty-five thousand, seven hundred sixty-five".
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