Base | Representation |
---|---|
bin | 110101011100100010… |
… | …000110001010110101 |
3 | 12111010101210111202211 |
4 | 311130202012022311 |
5 | 1420012034020020 |
6 | 42210242533421 |
7 | 4101050411062 |
oct | 653442061265 |
9 | 174111714684 |
10 | 57387016885 |
11 | 22379525190 |
12 | b156967271 |
13 | 55472bc933 |
14 | 2ac5831c69 |
15 | 175d15a85a |
hex | d5c8862b5 |
57387016885 has 32 divisors (see below), whose sum is σ = 75460170240. Its totient is φ = 41550144000.
The previous prime is 57387016789. The next prime is 57387016889. The reversal of 57387016885 is 58861078375.
It is a happy number.
It is not a de Polignac number, because 57387016885 - 223 = 57378628277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57387016889) 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 31 ways as a sum of consecutive naturals, for example, 12856164 + ... + 12860626.
It is an arithmetic number, because the mean of its divisors is an integer number (2358130320).
Almost surely, 257387016885 is an apocalyptic number.
57387016885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
57387016885 is a deficient number, since it is larger than the sum of its proper divisors (18073153355).
57387016885 is a wasteful number, since it uses less digits than its factorization.
57387016885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5469.
The product of its (nonzero) digits is 11289600, while the sum is 58.
The spelling of 57387016885 in words is "fifty-seven billion, three hundred eighty-seven million, sixteen thousand, eight hundred eighty-five".
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