Base | Representation |
---|---|
bin | 10111000001011110… |
… | …01010100011010001 |
3 | 1011220102021010021222 |
4 | 23200233022203101 |
5 | 200303230114321 |
6 | 5402302054425 |
7 | 615205423625 |
oct | 134057124321 |
9 | 34812233258 |
10 | 12360394961 |
11 | 5273136752 |
12 | 248b57a415 |
13 | 121ca1a295 |
14 | 853833185 |
15 | 4c520e3ab |
hex | 2e0bca8d1 |
12360394961 has 2 divisors, whose sum is σ = 12360394962. Its totient is φ = 12360394960.
The previous prime is 12360394939. The next prime is 12360394997. The reversal of 12360394961 is 16949306321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7507182736 + 4853212225 = 86644^2 + 69665^2 .
It is an emirp because it is prime and its reverse (16949306321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12360394961 - 222 = 12356200657 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (12360394931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6180197480 + 6180197481.
It is an arithmetic number, because the mean of its divisors is an integer number (6180197481).
Almost surely, 212360394961 is an apocalyptic number.
It is an amenable number.
12360394961 is a deficient number, since it is larger than the sum of its proper divisors (1).
12360394961 is an equidigital number, since it uses as much as digits as its factorization.
12360394961 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 209952, while the sum is 44.
The spelling of 12360394961 in words is "twelve billion, three hundred sixty million, three hundred ninety-four thousand, nine hundred sixty-one".
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