Base | Representation |
---|---|
bin | 10010111110010… |
… | …01001011100101 |
3 | 102002111010010021 |
4 | 21133021023211 |
5 | 311221042023 |
6 | 23443155141 |
7 | 3641554306 |
oct | 1137111345 |
9 | 362433107 |
10 | 159159013 |
11 | 81928582 |
12 | 45375ab1 |
13 | 26c87a40 |
14 | 171d07ad |
15 | de8d35d |
hex | 97c92e5 |
159159013 has 6 divisors (see below), whose sum is σ = 171451014. Its totient is φ = 146874024.
The previous prime is 159159001. The next prime is 159159017. The reversal of 159159013 is 310951951.
It can be written as a sum of positive squares in only one way, i.e., 110187009 + 48972004 = 10497^2 + 6998^2 .
It is not a de Polignac number, because 159159013 - 225 = 125604581 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 159159013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (159159017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43738 + ... + 47236.
It is an arithmetic number, because the mean of its divisors is an integer number (28575169).
Almost surely, 2159159013 is an apocalyptic number.
159159013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
159159013 is a deficient number, since it is larger than the sum of its proper divisors (12292001).
159159013 is an frugal number, since it uses more digits than its factorization.
159159013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7011 (or 3512 counting only the distinct ones).
The product of its (nonzero) digits is 6075, while the sum is 34.
The square root of 159159013 is about 12615.8239128485. The cubic root of 159159013 is about 541.9306894754.
The spelling of 159159013 in words is "one hundred fifty-nine million, one hundred fifty-nine thousand, thirteen".
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