Base | Representation |
---|---|
bin | 10010111110001… |
… | …00010111110001 |
3 | 102002110010002122 |
4 | 21133010113301 |
5 | 311214424223 |
6 | 23442524025 |
7 | 3641443004 |
oct | 1137042761 |
9 | 362403078 |
10 | 159139313 |
11 | 819147a3 |
12 | 45366615 |
13 | 26c7ba98 |
14 | 171c753b |
15 | de875c8 |
hex | 97c45f1 |
159139313 has 2 divisors, whose sum is σ = 159139314. Its totient is φ = 159139312.
The previous prime is 159139291. The next prime is 159139349. The reversal of 159139313 is 313931951.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 88040689 + 71098624 = 9383^2 + 8432^2 .
It is an emirp because it is prime and its reverse (313931951) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 159139313 - 26 = 159139249 is a prime.
It is a super-2 number, since 2×1591393132 = 50650641884223938, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (179139313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79569656 + 79569657.
It is an arithmetic number, because the mean of its divisors is an integer number (79569657).
Almost surely, 2159139313 is an apocalyptic number.
It is an amenable number.
159139313 is a deficient number, since it is larger than the sum of its proper divisors (1).
159139313 is an equidigital number, since it uses as much as digits as its factorization.
159139313 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 10935, while the sum is 35.
The square root of 159139313 is about 12615.0431231922. The cubic root of 159139313 is about 541.9083292900.
It can be divided in two parts, 1591 and 39313, that added together give a palindrome (40904).
The spelling of 159139313 in words is "one hundred fifty-nine million, one hundred thirty-nine thousand, three hundred thirteen".
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