Base | Representation |
---|---|
bin | 10010101110111… |
… | …00001011011011 |
3 | 101221200112002222 |
4 | 21113130023123 |
5 | 310211432200 |
6 | 23332014255 |
7 | 3615444110 |
oct | 1127341333 |
9 | 357615088 |
10 | 157139675 |
11 | 80779400 |
12 | 4476138b |
13 | 2672b874 |
14 | 16c26907 |
15 | dbded85 |
hex | 95dc2db |
157139675 has 72 divisors (see below), whose sum is σ = 252129696. Its totient is φ = 95040000.
The previous prime is 157139641. The next prime is 157139681. The reversal of 157139675 is 576931751.
It is not a de Polignac number, because 157139675 - 28 = 157139419 is a prime.
Its product of digits (198450) is a multiple of the sum of its prime divisors (245).
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 868085 + ... + 868265.
Almost surely, 2157139675 is an apocalyptic number.
157139675 is a deficient number, since it is larger than the sum of its proper divisors (94990021).
157139675 is a wasteful number, since it uses less digits than its factorization.
157139675 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261 (or 245 counting only the distinct ones).
The product of its digits is 198450, while the sum is 44.
The square root of 157139675 is about 12535.5364863256. The cubic root of 157139675 is about 539.6290032883.
The spelling of 157139675 in words is "one hundred fifty-seven million, one hundred thirty-nine thousand, six hundred seventy-five".
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