Base | Representation |
---|---|
bin | 110101110010101010… |
… | …010000101011010100 |
3 | 12112002021100101212022 |
4 | 311302222100223110 |
5 | 1421242103141303 |
6 | 42311143512312 |
7 | 4113206034260 |
oct | 656252205324 |
9 | 175067311768 |
10 | 57758255828 |
11 | 2254a036529 |
12 | b23b158698 |
13 | 55a61a1150 |
14 | 2b1cc6b0a0 |
15 | 1780a3c438 |
hex | d72a90ad4 |
57758255828 has 24 divisors (see below), whose sum is σ = 124402397952. Its totient is φ = 22849419744.
The previous prime is 57758255777. The next prime is 57758255839. The reversal of 57758255828 is 82855285775.
It is a super-2 number, since 2×577582558282 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 79337900 + ... + 79338627.
It is an arithmetic number, because the mean of its divisors is an integer number (5183433248).
Almost surely, 257758255828 is an apocalyptic number.
It is an amenable number.
57758255828 is an abundant number, since it is smaller than the sum of its proper divisors (66644142124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57758255828 is a wasteful number, since it uses less digits than its factorization.
57758255828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158676551 (or 158676549 counting only the distinct ones).
The product of its digits is 62720000, while the sum is 62.
The spelling of 57758255828 in words is "fifty-seven billion, seven hundred fifty-eight million, two hundred fifty-five thousand, eight hundred twenty-eight".
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