Base | Representation |
---|---|
bin | 101110011010… |
… | …010001100011 |
3 | 211220002221121 |
4 | 232122101203 |
5 | 11103304433 |
6 | 1112433111 |
7 | 205261045 |
oct | 56322143 |
9 | 24802847 |
10 | 12166243 |
11 | 695a751 |
12 | 40a8797 |
13 | 269c87b |
14 | 1889a95 |
15 | 1104c2d |
hex | b9a463 |
12166243 has 2 divisors, whose sum is σ = 12166244. Its totient is φ = 12166242.
The previous prime is 12166207. The next prime is 12166249. The reversal of 12166243 is 34266121.
12166243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12166243 - 217 = 12035171 is a prime.
It is not a weakly prime, because it can be changed into another prime (12166249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083121 + 6083122.
It is an arithmetic number, because the mean of its divisors is an integer number (6083122).
Almost surely, 212166243 is an apocalyptic number.
12166243 is a deficient number, since it is larger than the sum of its proper divisors (1).
12166243 is an equidigital number, since it uses as much as digits as its factorization.
12166243 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1728, while the sum is 25.
The square root of 12166243 is about 3488.0141914849. The cubic root of 12166243 is about 229.9952298948.
The spelling of 12166243 in words is "twelve million, one hundred sixty-six thousand, two hundred forty-three".
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