Base | Representation |
---|---|
bin | 101111001101… |
… | …010010010101 |
3 | 212021201120100 |
4 | 233031102111 |
5 | 11132001224 |
6 | 1121124313 |
7 | 210121161 |
oct | 57152225 |
9 | 25251510 |
10 | 12375189 |
11 | 6a92732 |
12 | 4189699 |
13 | 27439c8 |
14 | 1901ca1 |
15 | 1146ac9 |
hex | bcd495 |
12375189 has 6 divisors (see below), whose sum is σ = 17875286. Its totient is φ = 8250120.
The previous prime is 12375161. The next prime is 12375203. The reversal of 12375189 is 98157321.
12375189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 8803089 + 3572100 = 2967^2 + 1890^2 .
It is not a de Polignac number, because 12375189 - 220 = 11326613 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12375989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687502 + ... + 687519.
Almost surely, 212375189 is an apocalyptic number.
It is an amenable number.
12375189 is a deficient number, since it is larger than the sum of its proper divisors (5500097).
12375189 is a wasteful number, since it uses less digits than its factorization.
12375189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1375027 (or 1375024 counting only the distinct ones).
The product of its digits is 15120, while the sum is 36.
The square root of 12375189 is about 3517.8386830553. The cubic root of 12375189 is about 231.3044279970.
The spelling of 12375189 in words is "twelve million, three hundred seventy-five thousand, one hundred eighty-nine".
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