Base | Representation |
---|---|
bin | 10110100000101010… |
… | …10100011011000101 |
3 | 1011012020101222002201 |
4 | 23100111110123011 |
5 | 144222301343242 |
6 | 5315111234501 |
7 | 605324241112 |
oct | 132025243305 |
9 | 34166358081 |
10 | 12085184197 |
11 | 5141853839 |
12 | 2413378a31 |
13 | 11a79bb788 |
14 | 829073909 |
15 | 4aae9a4b7 |
hex | 2d05546c5 |
12085184197 has 2 divisors, whose sum is σ = 12085184198. Its totient is φ = 12085184196.
The previous prime is 12085184129. The next prime is 12085184201. The reversal of 12085184197 is 79148158021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11913940801 + 171243396 = 109151^2 + 13086^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12085184197 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12085184107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6042592098 + 6042592099.
It is an arithmetic number, because the mean of its divisors is an integer number (6042592099).
Almost surely, 212085184197 is an apocalyptic number.
It is an amenable number.
12085184197 is a deficient number, since it is larger than the sum of its proper divisors (1).
12085184197 is an equidigital number, since it uses as much as digits as its factorization.
12085184197 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 161280, while the sum is 46.
The spelling of 12085184197 in words is "twelve billion, eighty-five million, one hundred eighty-four thousand, one hundred ninety-seven".
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