Base | Representation |
---|---|
bin | 10010111101010… |
… | …11111010100010 |
3 | 102002021000200110 |
4 | 21132223322202 |
5 | 311203223023 |
6 | 23440432150 |
7 | 3640544646 |
oct | 1136537242 |
9 | 362230613 |
10 | 159039138 |
11 | 81856505 |
12 | 45318656 |
13 | 26c452cb |
14 | 1719cc26 |
15 | de67a93 |
hex | 97abea2 |
159039138 has 16 divisors (see below), whose sum is σ = 320894496. Its totient is φ = 52543680.
The previous prime is 159039137. The next prime is 159039157. The reversal of 159039138 is 831930951.
It is a junction number, because it is equal to n+sod(n) for n = 159039096 and 159039105.
It is not an unprimeable number, because it can be changed into a prime (159039137) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116608 + ... + 117963.
It is an arithmetic number, because the mean of its divisors is an integer number (20055906).
Almost surely, 2159039138 is an apocalyptic number.
159039138 is an abundant number, since it is smaller than the sum of its proper divisors (161855358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
159039138 is a wasteful number, since it uses less digits than its factorization.
159039138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234689.
The product of its (nonzero) digits is 29160, while the sum is 39.
The square root of 159039138 is about 12611.0720400765. The cubic root of 159039138 is about 541.7945986213.
The spelling of 159039138 in words is "one hundred fifty-nine million, thirty-nine thousand, one hundred thirty-eight".
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