Base | Representation |
---|---|
bin | 110101011101110001… |
… | …101101101101101010 |
3 | 12111011212001212212202 |
4 | 311131301231231222 |
5 | 1420032404410414 |
6 | 42212310140202 |
7 | 4101422666354 |
oct | 653561555552 |
9 | 174155055782 |
10 | 57407888234 |
11 | 2238a290134 |
12 | b161951662 |
13 | 554b719848 |
14 | 2ac85060d4 |
15 | 175edce9de |
hex | d5dc6db6a |
57407888234 has 16 divisors (see below), whose sum is σ = 91185368328. Its totient is φ = 27013066752.
The previous prime is 57407888231. The next prime is 57407888249. The reversal of 57407888234 is 43288870475.
It can be written as a sum of positive squares in 4 ways, for example, as 54241012609 + 3166875625 = 232897^2 + 56275^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 57407888234.
It is not an unprimeable number, because it can be changed into a prime (57407888231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345482 + ... + 483914.
Almost surely, 257407888234 is an apocalyptic number.
57407888234 is a deficient number, since it is larger than the sum of its proper divisors (33777480094).
57407888234 is a wasteful number, since it uses less digits than its factorization.
57407888234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150649.
The product of its (nonzero) digits is 12042240, while the sum is 56.
The spelling of 57407888234 in words is "fifty-seven billion, four hundred seven million, eight hundred eighty-eight thousand, two hundred thirty-four".
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