Base | Representation |
---|---|
bin | 110101001011110110… |
… | …001010101100111000 |
3 | 12110101220000111212210 |
4 | 311023312022230320 |
5 | 1413423402100111 |
6 | 42122402335120 |
7 | 4061111022534 |
oct | 651366125470 |
9 | 173356014783 |
10 | 57107065656 |
11 | 222454a4733 |
12 | b09905a4a0 |
13 | 55012c1514 |
14 | 2a9a59abc4 |
15 | 17437ac0a6 |
hex | d4bd8ab38 |
57107065656 has 16 divisors (see below), whose sum is σ = 142767664200. Its totient is φ = 19035688544.
The previous prime is 57107065651. The next prime is 57107065663. The reversal of 57107065656 is 65656070175.
It is a super-2 number, since 2×571070656562 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57107065651) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189730511 + ... + 1189730558.
Almost surely, 257107065656 is an apocalyptic number.
It is an amenable number.
57107065656 is an abundant number, since it is smaller than the sum of its proper divisors (85660598544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57107065656 is a wasteful number, since it uses less digits than its factorization.
57107065656 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2379461078 (or 2379461074 counting only the distinct ones).
The product of its (nonzero) digits is 1323000, while the sum is 48.
The spelling of 57107065656 in words is "fifty-seven billion, one hundred seven million, sixty-five thousand, six hundred fifty-six".
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