Base | Representation |
---|---|
bin | 110101001111010010… |
… | …011010101101000101 |
3 | 12110112220122212110200 |
4 | 311033102122231011 |
5 | 1414033142143020 |
6 | 42132224041113 |
7 | 4062411543621 |
oct | 651722325505 |
9 | 173486585420 |
10 | 57164802885 |
11 | 2227504a553 |
12 | b0b4463199 |
13 | 5510258568 |
14 | 2aa410a181 |
15 | 17488b4590 |
hex | d4f49ab45 |
57164802885 has 24 divisors (see below), whose sum is σ = 101502384984. Its totient is φ = 29744286720.
The previous prime is 57164802883. The next prime is 57164802907. The reversal of 57164802885 is 58820846175.
57164802885 is a `hidden beast` number, since 57 + 16 + 480 + 28 + 85 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 216707841 + 56948095044 = 14721^2 + 238638^2 .
It is not a de Polignac number, because 57164802885 - 21 = 57164802883 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57164802883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15489972 + ... + 15493661.
It is an arithmetic number, because the mean of its divisors is an integer number (4229266041).
Almost surely, 257164802885 is an apocalyptic number.
It is an amenable number.
57164802885 is a deficient number, since it is larger than the sum of its proper divisors (44337582099).
57164802885 is a wasteful number, since it uses less digits than its factorization.
57164802885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30983685 (or 30983682 counting only the distinct ones).
The product of its (nonzero) digits is 4300800, while the sum is 54.
The spelling of 57164802885 in words is "fifty-seven billion, one hundred sixty-four million, eight hundred two thousand, eight hundred eighty-five".
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