Base | Representation |
---|---|
bin | 110101111110011111… |
… | …110110010011011010 |
3 | 12112121010001011220102 |
4 | 311332133312103122 |
5 | 1422143423243304 |
6 | 42343000255402 |
7 | 4121140056530 |
oct | 657637662332 |
9 | 175533034812 |
10 | 57956852954 |
11 | 22641150490 |
12 | b295771562 |
13 | 5608386a40 |
14 | 2b3b3a6150 |
15 | 17931bad1e |
hex | d7e7f64da |
57956852954 has 32 divisors (see below), whose sum is σ = 116724295296. Its totient is φ = 20843622720.
The previous prime is 57956852953. The next prime is 57956852963. The reversal of 57956852954 is 45925865975.
It is a super-2 number, since 2×579568529542 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (57956852951) 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, 14472737 + ... + 14476740.
It is an arithmetic number, because the mean of its divisors is an integer number (3647634228).
Almost surely, 257956852954 is an apocalyptic number.
57956852954 is an abundant number, since it is smaller than the sum of its proper divisors (58767442342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57956852954 is a wasteful number, since it uses less digits than its factorization.
57956852954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28949510.
The product of its digits is 136080000, while the sum is 65.
The spelling of 57956852954 in words is "fifty-seven billion, nine hundred fifty-six million, eight hundred fifty-two thousand, nine hundred fifty-four".
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