Base | Representation |
---|---|
bin | 1001001011011011101… |
… | …1011010110000100110 |
3 | 120002000112111212022102 |
4 | 2102312323122300212 |
5 | 10040421042231240 |
6 | 200235113532102 |
7 | 14251436425100 |
oct | 2226673326046 |
9 | 502015455272 |
10 | 157687852070 |
11 | 60969755201 |
12 | 26689414032 |
13 | 11b40230358 |
14 | 78bc802570 |
15 | 417d9bb815 |
hex | 24b6edac26 |
157687852070 has 24 divisors (see below), whose sum is σ = 330179054544. Its totient is φ = 54064406256.
The previous prime is 157687852039. The next prime is 157687852109. The reversal of 157687852070 is 70258786751.
157687852070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 157687851997 and 157687852015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160905482 + ... + 160906461.
It is an arithmetic number, because the mean of its divisors is an integer number (13757460606).
Almost surely, 2157687852070 is an apocalyptic number.
157687852070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157687852070 is an abundant number, since it is smaller than the sum of its proper divisors (172491202474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157687852070 is a wasteful number, since it uses less digits than its factorization.
157687852070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 321811964 (or 321811957 counting only the distinct ones).
The product of its (nonzero) digits is 6585600, while the sum is 56.
The spelling of 157687852070 in words is "one hundred fifty-seven billion, six hundred eighty-seven million, eight hundred fifty-two thousand, seventy".
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