Base | Representation |
---|---|
bin | 110101110010100110… |
… | …111010011000001000 |
3 | 12112002012200210210020 |
4 | 311302212322120020 |
5 | 1421241342044211 |
6 | 42311113020440 |
7 | 4113165420210 |
oct | 656246723010 |
9 | 175065623706 |
10 | 57757378056 |
11 | 22549596aa4 |
12 | b23a9b4720 |
13 | 55a5c54761 |
14 | 2b1cabd240 |
15 | 1780917306 |
hex | d729ba608 |
57757378056 has 64 divisors (see below), whose sum is σ = 166875292800. Its totient is φ = 16316686848.
The previous prime is 57757377983. The next prime is 57757378079. The reversal of 57757378056 is 65087375775.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916475 + ... + 1946378.
It is an arithmetic number, because the mean of its divisors is an integer number (2607426450).
Almost surely, 257757378056 is an apocalyptic number.
57757378056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
It is an amenable number.
57757378056 is an abundant number, since it is smaller than the sum of its proper divisors (109117914744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57757378056 is a wasteful number, since it uses less digits than its factorization.
57757378056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3862958 (or 3862954 counting only the distinct ones).
The product of its (nonzero) digits is 43218000, while the sum is 60.
The spelling of 57757378056 in words is "fifty-seven billion, seven hundred fifty-seven million, three hundred seventy-eight thousand, fifty-six".
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