Base | Representation |
---|---|
bin | 10010100111010… |
… | …11110100010011 |
3 | 101212211111121021 |
4 | 21103223310103 |
5 | 304433431110 |
6 | 23254540311 |
7 | 3604203562 |
oct | 1123536423 |
9 | 355744537 |
10 | 156155155 |
11 | 80166752 |
12 | 44367697 |
13 | 26475700 |
14 | 16a4bbd9 |
15 | da982da |
hex | 94ebd13 |
156155155 has 24 divisors (see below), whose sum is σ = 203938128. Its totient is φ = 114731136.
The previous prime is 156155147. The next prime is 156155171. The reversal of 156155155 is 551551651.
It is not a de Polignac number, because 156155155 - 23 = 156155147 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 156155155.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238809 + ... + 239461.
It is an arithmetic number, because the mean of its divisors is an integer number (8497422).
Almost surely, 2156155155 is an apocalyptic number.
156155155 is a deficient number, since it is larger than the sum of its proper divisors (47782973).
156155155 is a wasteful number, since it uses less digits than its factorization.
156155155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 967 (or 954 counting only the distinct ones).
The product of its digits is 18750, while the sum is 34.
The square root of 156155155 is about 12496.2056241085. The cubic root of 156155155 is about 538.4996705256.
The spelling of 156155155 in words is "one hundred fifty-six million, one hundred fifty-five thousand, one hundred fifty-five".
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