Base | Representation |
---|---|
bin | 111001011100… |
… | …0000101010011 |
3 | 2002122221211012 |
4 | 1302320011103 |
5 | 30202123011 |
6 | 2553241135 |
7 | 513652205 |
oct | 162700523 |
9 | 62587735 |
10 | 30114131 |
11 | 15aa9213 |
12 | a1031ab |
13 | 6314c18 |
14 | 3ddc775 |
15 | 299ca8b |
hex | 1cb8153 |
30114131 has 12 divisors (see below), whose sum is σ = 31529064. Its totient is φ = 28744800.
The previous prime is 30114127. The next prime is 30114167. The reversal of 30114131 is 13141103.
It is not a de Polignac number, because 30114131 - 22 = 30114127 is a prime.
It is a super-2 number, since 2×301141312 = 1813721771770322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30114101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142616 + ... + 142826.
It is an arithmetic number, because the mean of its divisors is an integer number (2627422).
Almost surely, 230114131 is an apocalyptic number.
30114131 is a deficient number, since it is larger than the sum of its proper divisors (1414933).
30114131 is an equidigital number, since it uses as much as digits as its factorization.
30114131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 370 (or 311 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 30114131 is about 5487.6343719311. The cubic root of 30114131 is about 311.1167870232.
Adding to 30114131 its reverse (13141103), we get a palindrome (43255234).
The spelling of 30114131 in words is "thirty million, one hundred fourteen thousand, one hundred thirty-one".
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