Base | Representation |
---|---|
bin | 10010110000100… |
… | …10011011001100 |
3 | 101222002210220100 |
4 | 21120102123030 |
5 | 310241034433 |
6 | 23340451100 |
7 | 3620360646 |
oct | 1130223314 |
9 | 358083810 |
10 | 157361868 |
11 | 80910334 |
12 | 44849a90 |
13 | 267a8a41 |
14 | 16c83896 |
15 | dc35b13 |
hex | 96126cc |
157361868 has 18 divisors (see below), whose sum is σ = 397775924. Its totient is φ = 52453944.
The previous prime is 157361849. The next prime is 157361873. The reversal of 157361868 is 868163751.
157361868 is a `hidden beast` number, since 1 + 573 + 6 + 18 + 68 = 666.
It is a tau number, because it is divible by the number of its divisors (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2185546 + ... + 2185617.
Almost surely, 2157361868 is an apocalyptic number.
157361868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
157361868 is an abundant number, since it is smaller than the sum of its proper divisors (240414056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157361868 is a wasteful number, since it uses less digits than its factorization.
157361868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4371173 (or 4371168 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 157361868 is about 12544.3958802327. The cubic root of 157361868 is about 539.8832257784.
The spelling of 157361868 in words is "one hundred fifty-seven million, three hundred sixty-one thousand, eight hundred sixty-eight".
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