Base | Representation |
---|---|
bin | 110101111011101011… |
… | …000100111001110000 |
3 | 12112110210212121102110 |
4 | 311323223010321300 |
5 | 1422044310332223 |
6 | 42334144445320 |
7 | 4120023220365 |
oct | 657353047160 |
9 | 175423777373 |
10 | 57909464688 |
11 | 22617423a29 |
12 | b281919840 |
13 | 55cb60434a |
14 | 2b34d8c46c |
15 | 178de59d93 |
hex | d7bac4e70 |
57909464688 has 80 divisors (see below), whose sum is σ = 158191875072. Its totient is φ = 18224832000.
The previous prime is 57909464687. The next prime is 57909464689. The reversal of 57909464688 is 88646490975.
It is an interprime number because it is at equal distance from previous prime (57909464687) and next prime (57909464689).
It is a super-2 number, since 2×579094646882 (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 (57909464681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413598 + ... + 535613.
Almost surely, 257909464688 is an apocalyptic number.
It is an amenable number.
57909464688 is an abundant number, since it is smaller than the sum of its proper divisors (100282410384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57909464688 is a wasteful number, since it uses less digits than its factorization.
57909464688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 949294 (or 949288 counting only the distinct ones).
The product of its (nonzero) digits is 104509440, while the sum is 66.
The spelling of 57909464688 in words is "fifty-seven billion, nine hundred nine million, four hundred sixty-four thousand, six hundred eighty-eight".
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