Base | Representation |
---|---|
bin | 1001001011010101010… |
… | …0000010001001011111 |
3 | 120001221122111221212000 |
4 | 2102311110002021133 |
5 | 10040342123003211 |
6 | 200232305013343 |
7 | 14250660160422 |
oct | 2226524021137 |
9 | 501848457760 |
10 | 157660750431 |
11 | 60955424358 |
12 | 26680324253 |
13 | 11b37731692 |
14 | 78b8d899b9 |
15 | 417b416656 |
hex | 24b550225f |
157660750431 has 64 divisors (see below), whose sum is σ = 244772774400. Its totient is φ = 100194133248.
The previous prime is 157660750361. The next prime is 157660750441. The reversal of 157660750431 is 134057066751.
157660750431 is a `hidden beast` number, since 1 + 5 + 7 + 6 + 607 + 5 + 0 + 4 + 31 = 666.
It is not a de Polignac number, because 157660750431 - 29 = 157660749919 is a prime.
It is a super-2 number, since 2×1576607504312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157660750441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18090531 + ... + 18099243.
It is an arithmetic number, because the mean of its divisors is an integer number (3824574600).
Almost surely, 2157660750431 is an apocalyptic number.
157660750431 is a deficient number, since it is larger than the sum of its proper divisors (87112023969).
157660750431 is a wasteful number, since it uses less digits than its factorization.
157660750431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9125 (or 9119 counting only the distinct ones).
The product of its (nonzero) digits is 529200, while the sum is 45.
The spelling of 157660750431 in words is "one hundred fifty-seven billion, six hundred sixty million, seven hundred fifty thousand, four hundred thirty-one".
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