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12694322033 is a prime number
BaseRepresentation
bin10111101001010001…
…11111101101110001
31012202200121101010022
423310220333231301
5201444221301113
65455351213225
7626401646141
oct136450775561
935680541108
1012694322033
115424683038
122563377215
131273c66673
14885d18921
154e46c0908
hex2f4a3fb71

12694322033 has 2 divisors, whose sum is σ = 12694322034. Its totient is φ = 12694322032.

The previous prime is 12694322023. The next prime is 12694322041. The reversal of 12694322033 is 33022349621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7932217969 + 4762104064 = 89063^2 + 69008^2 .

It is an emirp because it is prime and its reverse (33022349621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12694322033 - 214 = 12694305649 is a prime.

It is a super-2 number, since 2×126943220332 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12694321984 and 12694322002.

It is not a weakly prime, because it can be changed into another prime (12694322023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347161016 + 6347161017.

It is an arithmetic number, because the mean of its divisors is an integer number (6347161017).

Almost surely, 212694322033 is an apocalyptic number.

It is an amenable number.

12694322033 is a deficient number, since it is larger than the sum of its proper divisors (1).

12694322033 is an equidigital number, since it uses as much as digits as its factorization.

12694322033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 12694322033 in words is "twelve billion, six hundred ninety-four million, three hundred twenty-two thousand, thirty-three".