Base | Representation |
---|---|
bin | 110101111001000000… |
… | …101011111000011000 |
3 | 12112100200211021212022 |
4 | 311321000223320120 |
5 | 1422001342011340 |
6 | 42325511234012 |
7 | 4115641444112 |
oct | 657100537030 |
9 | 175320737768 |
10 | 57864797720 |
11 | 225a4195a84 |
12 | b26a978908 |
13 | 55c22954a2 |
14 | 2b2d0823b2 |
15 | 178a0853b5 |
hex | d7902be18 |
57864797720 has 32 divisors (see below), whose sum is σ = 130589165520. Its totient is φ = 23075986560.
The previous prime is 57864797713. The next prime is 57864797729. The reversal of 57864797720 is 2779746875.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57864797729) by changing a digit.
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, 2171987 + ... + 2198466.
Almost surely, 257864797720 is an apocalyptic number.
It is an amenable number.
57864797720 is an abundant number, since it is smaller than the sum of its proper divisors (72724367800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57864797720 is a wasteful number, since it uses less digits than its factorization.
57864797720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4370795 (or 4370791 counting only the distinct ones).
The product of its (nonzero) digits is 41489280, while the sum is 62.
The spelling of 57864797720 in words is "fifty-seven billion, eight hundred sixty-four million, seven hundred ninety-seven thousand, seven hundred twenty".
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