Base | Representation |
---|---|
bin | 1001010001011101110… |
… | …0100011100101001001 |
3 | 120020012101111210210101 |
4 | 2110113130203211021 |
5 | 10102230112323224 |
6 | 201103521045401 |
7 | 14336531306200 |
oct | 2242734434511 |
9 | 506171453711 |
10 | 159307151689 |
11 | 6161a808a54 |
12 | 26a5b786861 |
13 | 1203a8627ca |
14 | 79d38bc237 |
15 | 4225c2e044 |
hex | 2517723949 |
159307151689 has 27 divisors (see below), whose sum is σ = 195648518151. Its totient is φ = 129319092000.
The previous prime is 159307151681. The next prime is 159307151699. The reversal of 159307151689 is 986151703951.
The square root of 159307151689 is 399133.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 85692609289 + 73614542400 = 292733^2 + 271320^2 .
It is not a de Polignac number, because 159307151689 - 23 = 159307151681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (159307151681) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 53083189 + ... + 53086189.
It is an arithmetic number, because the mean of its divisors is an integer number (7246241413).
Almost surely, 2159307151689 is an apocalyptic number.
159307151689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
159307151689 is the 399133-rd square number.
159307151689 is the 199567-th centered octagonal number.
It is an amenable number.
159307151689 is a deficient number, since it is larger than the sum of its proper divisors (36341366462).
159307151689 is an frugal number, since it uses more digits than its factorization.
159307151689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6054 (or 3027 counting only the distinct ones).
The product of its (nonzero) digits is 2041200, while the sum is 55.
The spelling of 159307151689 in words is "one hundred fifty-nine billion, three hundred seven million, one hundred fifty-one thousand, six hundred eighty-nine".
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