Base | Representation |
---|---|
bin | 10010110010011… |
… | …11010100110001 |
3 | 101222120111002001 |
4 | 21121033110301 |
5 | 310322030223 |
6 | 23350054001 |
7 | 3622450126 |
oct | 1131172461 |
9 | 358514061 |
10 | 157611313 |
11 | 80a70792 |
12 | 4494a301 |
13 | 26865442 |
14 | 16d0a74d |
15 | dc849ad |
hex | 964f531 |
157611313 has 2 divisors, whose sum is σ = 157611314. Its totient is φ = 157611312.
The previous prime is 157611299. The next prime is 157611397. The reversal of 157611313 is 313116751.
157611313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 156925729 + 685584 = 12527^2 + 828^2 .
It is a cyclic number.
It is not a de Polignac number, because 157611313 - 25 = 157611281 is a prime.
It is not a weakly prime, because it can be changed into another prime (157611413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78805656 + 78805657.
It is an arithmetic number, because the mean of its divisors is an integer number (78805657).
Almost surely, 2157611313 is an apocalyptic number.
It is an amenable number.
157611313 is a deficient number, since it is larger than the sum of its proper divisors (1).
157611313 is an equidigital number, since it uses as much as digits as its factorization.
157611313 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1890, while the sum is 28.
The square root of 157611313 is about 12554.3344307852. The cubic root of 157611313 is about 540.1683437186.
The spelling of 157611313 in words is "one hundred fifty-seven million, six hundred eleven thousand, three hundred thirteen".
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