Base | Representation |
---|---|
bin | 1101010111010… |
… | …00111011011011 |
3 | 21210221102120211 |
4 | 12223220323123 |
5 | 212144300011 |
6 | 15042431551 |
7 | 2530601200 |
oct | 653507333 |
9 | 253842524 |
10 | 112103131 |
11 | 58308818 |
12 | 316625b7 |
13 | 1a2c071a |
14 | 10c61ca7 |
15 | 9c95b21 |
hex | 6ae8edb |
112103131 has 12 divisors (see below), whose sum is σ = 133183008. Its totient is φ = 94042032.
The previous prime is 112103113. The next prime is 112103137. The reversal of 112103131 is 131301211.
It is not a de Polignac number, because 112103131 - 221 = 110005979 is a prime.
It is a super-2 number, since 2×1121031312 = 25134223960006322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (112103137) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22036 + ... + 26641.
It is an arithmetic number, because the mean of its divisors is an integer number (11098584).
Almost surely, 2112103131 is an apocalyptic number.
112103131 is a deficient number, since it is larger than the sum of its proper divisors (21079877).
112103131 is an equidigital number, since it uses as much as digits as its factorization.
112103131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48738 (or 48731 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 112103131 is about 10587.8766048722. The cubic root of 112103131 is about 482.1763600543.
Adding to 112103131 its reverse (131301211), we get a palindrome (243404342).
It can be divided in two parts, 11210 and 3131, that added together give a palindrome (14341).
The spelling of 112103131 in words is "one hundred twelve million, one hundred three thousand, one hundred thirty-one".
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