Base | Representation |
---|---|
bin | 1001001001101111100… |
… | …0010011011100110000 |
3 | 120000211220121101002100 |
4 | 2102123320103130300 |
5 | 10034003404111424 |
6 | 200122103220400 |
7 | 14234256244362 |
oct | 2223370233460 |
9 | 500756541070 |
10 | 157234050864 |
11 | 60756582690 |
12 | 26581447700 |
13 | 11a9a202427 |
14 | 7878434d32 |
15 | 4153c2bdc9 |
hex | 249be13730 |
157234050864 has 120 divisors (see below), whose sum is σ = 481492200384. Its totient is φ = 47502576000.
The previous prime is 157234050763. The next prime is 157234050907. The reversal of 157234050864 is 468050432751.
157234050864 is a `hidden beast` number, since 1 + 57 + 2 + 34 + 0 + 508 + 64 = 666.
It is a super-2 number, since 2×1572340508642 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374359 + ... + 674249.
Almost surely, 2157234050864 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 157234050864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240746100192).
157234050864 is an abundant number, since it is smaller than the sum of its proper divisors (324258149520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157234050864 is a wasteful number, since it uses less digits than its factorization.
157234050864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300247 (or 300238 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 45.
The spelling of 157234050864 in words is "one hundred fifty-seven billion, two hundred thirty-four million, fifty thousand, eight hundred sixty-four".
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