Base | Representation |
---|---|
bin | 101110001110… |
… | …100010110001 |
3 | 211210200000222 |
4 | 232032202301 |
5 | 11100240233 |
6 | 1111422425 |
7 | 205001003 |
oct | 56164261 |
9 | 24720028 |
10 | 12118193 |
11 | 692763a |
12 | 4084a15 |
13 | 2683a39 |
14 | 1876373 |
15 | 10e5898 |
hex | b8e8b1 |
12118193 has 2 divisors, whose sum is σ = 12118194. Its totient is φ = 12118192.
The previous prime is 12118189. The next prime is 12118207. The reversal of 12118193 is 39181121.
12118193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9535744 + 2582449 = 3088^2 + 1607^2 .
It is a cyclic number.
It is not a de Polignac number, because 12118193 - 22 = 12118189 is a prime.
It is a super-4 number, since 4×121181934 (a number of 29 digits) contains 4444 as substring.
It is not a weakly prime, because it can be changed into another prime (12118103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6059096 + 6059097.
It is an arithmetic number, because the mean of its divisors is an integer number (6059097).
Almost surely, 212118193 is an apocalyptic number.
It is an amenable number.
12118193 is a deficient number, since it is larger than the sum of its proper divisors (1).
12118193 is an equidigital number, since it uses as much as digits as its factorization.
12118193 is an evil number, because the sum of its binary digits is even.
The product of its digits is 432, while the sum is 26.
The square root of 12118193 is about 3481.1195038378. The cubic root of 12118193 is about 229.6920453201.
The spelling of 12118193 in words is "twelve million, one hundred eighteen thousand, one hundred ninety-three".
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