Base | Representation |
---|---|
bin | 1001001011011011110… |
… | …0011010011100011100 |
3 | 120002000120000010010200 |
4 | 2102312330122130130 |
5 | 10040421124103144 |
6 | 200235123303500 |
7 | 14251441562436 |
oct | 2226674323434 |
9 | 502016003120 |
10 | 157688112924 |
11 | 60969913191 |
12 | 2668951ab90 |
13 | 11b402c1cc4 |
14 | 78bc86d656 |
15 | 417da1dc69 |
hex | 24b6f1a71c |
157688112924 has 36 divisors (see below), whose sum is σ = 398612943456. Its totient is φ = 52561064448.
The previous prime is 157688112863. The next prime is 157688112929. The reversal of 157688112924 is 429211886751.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157688112929) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1805692 + ... + 1891004.
Almost surely, 2157688112924 is an apocalyptic number.
It is an amenable number.
157688112924 is an abundant number, since it is smaller than the sum of its proper divisors (240924830532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157688112924 is a wasteful number, since it uses less digits than its factorization.
157688112924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136666 (or 136661 counting only the distinct ones).
The product of its digits is 1935360, while the sum is 54.
The spelling of 157688112924 in words is "one hundred fifty-seven billion, six hundred eighty-eight million, one hundred twelve thousand, nine hundred twenty-four".
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