Base | Representation |
---|---|
bin | 10010100111000… |
… | …10010010101001 |
3 | 101212202112002011 |
4 | 21103202102221 |
5 | 304431204022 |
6 | 23254035521 |
7 | 3603652042 |
oct | 1123422251 |
9 | 355675064 |
10 | 156116137 |
11 | 8013a401 |
12 | 44348ba1 |
13 | 26460a18 |
14 | 16a3b8c9 |
15 | da8b977 |
hex | 94e24a9 |
156116137 has 2 divisors, whose sum is σ = 156116138. Its totient is φ = 156116136.
The previous prime is 156116123. The next prime is 156116143. The reversal of 156116137 is 731611651.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 123899161 + 32216976 = 11131^2 + 5676^2 .
It is an emirp because it is prime and its reverse (731611651) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 156116137 - 223 = 147727529 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 156116099 and 156116108.
It is not a weakly prime, because it can be changed into another prime (156116197) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78058068 + 78058069.
It is an arithmetic number, because the mean of its divisors is an integer number (78058069).
Almost surely, 2156116137 is an apocalyptic number.
It is an amenable number.
156116137 is a deficient number, since it is larger than the sum of its proper divisors (1).
156116137 is an equidigital number, since it uses as much as digits as its factorization.
156116137 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3780, while the sum is 31.
The square root of 156116137 is about 12494.6443326731. The cubic root of 156116137 is about 538.4548157136.
Adding to 156116137 its reverse (731611651), we get a palindrome (887727788).
The spelling of 156116137 in words is "one hundred fifty-six million, one hundred sixteen thousand, one hundred thirty-seven".
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