Base | Representation |
---|---|
bin | 101110001100… |
… | …110100011010 |
3 | 211210022100101 |
4 | 232030310122 |
5 | 11100024010 |
6 | 1111330014 |
7 | 204641263 |
oct | 56146432 |
9 | 24708311 |
10 | 12111130 |
11 | 69222a9 |
12 | 408090a |
13 | 2680765 |
14 | 187396a |
15 | 10e373a |
hex | b8cd1a |
12111130 has 16 divisors (see below), whose sum is σ = 21901824. Its totient is φ = 4821840.
The previous prime is 12111103. The next prime is 12111139. The reversal of 12111130 is 3111121.
12111130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (12111139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 4945.
It is an arithmetic number, because the mean of its divisors is an integer number (1368864).
Almost surely, 212111130 is an apocalyptic number.
12111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12111130 is a deficient number, since it is larger than the sum of its proper divisors (9790694).
12111130 is a wasteful number, since it uses less digits than its factorization.
12111130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5661.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 12111130 is about 3480.1048834769. The cubic root of 12111130 is about 229.6474118724.
Adding to 12111130 its reverse (3111121), we get a palindrome (15222251).
Subtracting from 12111130 its reverse (3111121), we obtain a palindrome (9000009).
The spelling of 12111130 in words is "twelve million, one hundred eleven thousand, one hundred thirty".
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