Base | Representation |
---|---|
bin | 110101000011101101… |
… | …101111110010000000 |
3 | 12110001101022101202200 |
4 | 311003231233302000 |
5 | 1413133440444022 |
6 | 42101050313200 |
7 | 4054533311562 |
oct | 650355576200 |
9 | 173041271680 |
10 | 56970640512 |
11 | 22185494485 |
12 | b05b428800 |
13 | 54abc66396 |
14 | 2a86407332 |
15 | 173680ebac |
hex | d43b6fc80 |
56970640512 has 48 divisors (see below), whose sum is σ = 163938955830. Its totient is φ = 18990213120.
The previous prime is 56970640471. The next prime is 56970640513. The reversal of 56970640512 is 21504607965.
56970640512 is a `hidden beast` number, since 5 + 6 + 9 + 70 + 64 + 0 + 512 = 666.
56970640512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 53538555456 + 3432085056 = 231384^2 + 58584^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (56970640513) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24725689 + ... + 24727992.
Almost surely, 256970640512 is an apocalyptic number.
It is an amenable number.
56970640512 is an abundant number, since it is smaller than the sum of its proper divisors (106968315318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56970640512 is a wasteful number, since it uses less digits than its factorization.
56970640512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49453701 (or 49453686 counting only the distinct ones).
The product of its (nonzero) digits is 453600, while the sum is 45.
The spelling of 56970640512 in words is "fifty-six billion, nine hundred seventy million, six hundred forty thousand, five hundred twelve".
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