Base | Representation |
---|---|
bin | 101101110110… |
… | …000110111011 |
3 | 211121120202002 |
4 | 231312012323 |
5 | 11034034412 |
6 | 1105331215 |
7 | 204103133 |
oct | 55660673 |
9 | 24546662 |
10 | 12018107 |
11 | 6869422 |
12 | 4036b0b |
13 | 264a30a |
14 | 184bac3 |
15 | 10c5dc2 |
hex | b761bb |
12018107 has 2 divisors, whose sum is σ = 12018108. Its totient is φ = 12018106.
The previous prime is 12018103. The next prime is 12018163. The reversal of 12018107 is 70181021.
It is a weak prime.
It is an emirp because it is prime and its reverse (70181021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12018107 - 22 = 12018103 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12018101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6009053 + 6009054.
It is an arithmetic number, because the mean of its divisors is an integer number (6009054).
Almost surely, 212018107 is an apocalyptic number.
12018107 is a deficient number, since it is larger than the sum of its proper divisors (1).
12018107 is an equidigital number, since it uses as much as digits as its factorization.
12018107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 112, while the sum is 20.
The square root of 12018107 is about 3466.7141503158. The cubic root of 12018107 is about 229.0579425342.
Adding to 12018107 its reverse (70181021), we get a palindrome (82199128).
The spelling of 12018107 in words is "twelve million, eighteen thousand, one hundred seven".
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