Base | Representation |
---|---|
bin | 110101001111000101… |
… | …010100001000001110 |
3 | 12110112200012100210121 |
4 | 311033011110020032 |
5 | 1414031302234303 |
6 | 42132022255154 |
7 | 4062340416613 |
oct | 651705241016 |
9 | 173480170717 |
10 | 57161368078 |
11 | 22273113971 |
12 | b0b32874ba |
13 | 550c625029 |
14 | 2aa389450a |
15 | 17484369bd |
hex | d4f15420e |
57161368078 has 8 divisors (see below), whose sum is σ = 85906625760. Its totient is φ = 28525826160.
The previous prime is 57161368067. The next prime is 57161368081. The reversal of 57161368078 is 87086316175.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27427638 + ... + 27429721.
It is an arithmetic number, because the mean of its divisors is an integer number (10738328220).
Almost surely, 257161368078 is an apocalyptic number.
57161368078 is a deficient number, since it is larger than the sum of its proper divisors (28745257682).
57161368078 is a wasteful number, since it uses less digits than its factorization.
57161368078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54857882.
The product of its (nonzero) digits is 1693440, while the sum is 52.
The spelling of 57161368078 in words is "fifty-seven billion, one hundred sixty-one million, three hundred sixty-eight thousand, seventy-eight".
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