Base | Representation |
---|---|
bin | 101110011110… |
… | …011001100011 |
3 | 211220222010101 |
4 | 232132121203 |
5 | 11104330024 |
6 | 1113043231 |
7 | 205361233 |
oct | 56363143 |
9 | 24828111 |
10 | 12183139 |
11 | 6971411 |
12 | 40b6517 |
13 | 26a7477 |
14 | 1891cc3 |
15 | 1109c44 |
hex | b9e663 |
12183139 has 2 divisors, whose sum is σ = 12183140. Its totient is φ = 12183138.
The previous prime is 12183113. The next prime is 12183173. The reversal of 12183139 is 93138121.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12183139 - 25 = 12183107 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12183439) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091569 + 6091570.
It is an arithmetic number, because the mean of its divisors is an integer number (6091570).
Almost surely, 212183139 is an apocalyptic number.
12183139 is a deficient number, since it is larger than the sum of its proper divisors (1).
12183139 is an equidigital number, since it uses as much as digits as its factorization.
12183139 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1296, while the sum is 28.
The square root of 12183139 is about 3490.4353596650. The cubic root of 12183139 is about 230.1016500905.
The spelling of 12183139 in words is "twelve million, one hundred eighty-three thousand, one hundred thirty-nine".
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