Base | Representation |
---|---|
bin | 1111101000100… |
… | …01000111101111 |
3 | 100010202201011211 |
4 | 13310101013233 |
5 | 232033022002 |
6 | 21002455251 |
7 | 3151455364 |
oct | 764210757 |
9 | 303681154 |
10 | 131142127 |
11 | 68032026 |
12 | 37b04527 |
13 | 212285bc |
14 | 135ba46b |
15 | b7a6dd7 |
hex | 7d111ef |
131142127 has 2 divisors, whose sum is σ = 131142128. Its totient is φ = 131142126.
The previous prime is 131142119. The next prime is 131142163. The reversal of 131142127 is 721241131.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131142127 - 23 = 131142119 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 131142098 and 131142107.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131142107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65571063 + 65571064.
It is an arithmetic number, because the mean of its divisors is an integer number (65571064).
Almost surely, 2131142127 is an apocalyptic number.
131142127 is a deficient number, since it is larger than the sum of its proper divisors (1).
131142127 is an equidigital number, since it uses as much as digits as its factorization.
131142127 is an evil number, because the sum of its binary digits is even.
The product of its digits is 336, while the sum is 22.
The square root of 131142127 is about 11451.7303059407. The cubic root of 131142127 is about 508.0589126605.
Adding to 131142127 its reverse (721241131), we get a palindrome (852383258).
The spelling of 131142127 in words is "one hundred thirty-one million, one hundred forty-two thousand, one hundred twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •