Base | Representation |
---|---|
bin | 110101001111011001… |
… | …101100110101011101 |
3 | 12110120001020212111110 |
4 | 311033121230311131 |
5 | 1414034134242112 |
6 | 42132333012233 |
7 | 4062434015202 |
oct | 651731546535 |
9 | 173501225443 |
10 | 57166712157 |
11 | 22276133a65 |
12 | b0b5024079 |
13 | 55107765c9 |
14 | 2aa4485ca9 |
15 | 1748b4013c |
hex | d4f66cd5d |
57166712157 has 8 divisors (see below), whose sum is σ = 76225756000. Its totient is φ = 38109404880.
The previous prime is 57166712149. The next prime is 57166712167. The reversal of 57166712157 is 75121766175.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57166712157 - 23 = 57166712149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57166712167) 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, 355282 + ... + 490467.
It is an arithmetic number, because the mean of its divisors is an integer number (9528219500).
Almost surely, 257166712157 is an apocalyptic number.
It is an amenable number.
57166712157 is a deficient number, since it is larger than the sum of its proper divisors (19059043843).
57166712157 is a wasteful number, since it uses less digits than its factorization.
57166712157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 868283.
The product of its digits is 617400, while the sum is 48.
The spelling of 57166712157 in words is "fifty-seven billion, one hundred sixty-six million, seven hundred twelve thousand, one hundred fifty-seven".
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