Base | Representation |
---|---|
bin | 110101111111000011… |
… | …010100000101100100 |
3 | 12112121202112112001000 |
4 | 311333003110011210 |
5 | 1422203313244423 |
6 | 42343531433300 |
7 | 4121312100555 |
oct | 657703240544 |
9 | 175552475030 |
10 | 57966149988 |
11 | 2264642048a |
12 | b2988b5830 |
13 | 560a290646 |
14 | 2b3c70632c |
15 | 1793e05843 |
hex | d7f0d4164 |
57966149988 has 48 divisors (see below), whose sum is σ = 151277902720. Its totient is φ = 19194084000.
The previous prime is 57966149987. The next prime is 57966149999. The reversal of 57966149988 is 88994166975.
57966149988 is a `hidden beast` number, since 5 + 79 + 6 + 61 + 499 + 8 + 8 = 666.
57966149988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (57966149987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760923 + ... + 1793538.
Almost surely, 257966149988 is an apocalyptic number.
It is an amenable number.
57966149988 is an abundant number, since it is smaller than the sum of its proper divisors (93311752732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57966149988 is a wasteful number, since it uses less digits than its factorization.
57966149988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3554625 (or 3554617 counting only the distinct ones).
The product of its digits is 235146240, while the sum is 72.
The spelling of 57966149988 in words is "fifty-seven billion, nine hundred sixty-six million, one hundred forty-nine thousand, nine hundred eighty-eight".
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