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12429579317 is a prime number
BaseRepresentation
bin10111001001101110…
…00101010000110101
31012002020110001101112
423210313011100311
5200423433014232
65413213004405
7620005452401
oct134467052065
935066401345
1012429579317
1152a919aa01
1224aa783705
13123116177c
1485cac2101
154cb3284b2
hex2e4dc5435

12429579317 has 2 divisors, whose sum is σ = 12429579318. Its totient is φ = 12429579316.

The previous prime is 12429579299. The next prime is 12429579319. The reversal of 12429579317 is 71397592421.

It is a happy number.

12429579317 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 can be written as a sum of positive squares in only one way, i.e., 11132571121 + 1297008196 = 105511^2 + 36014^2 .

It is a cyclic number.

It is not a de Polignac number, because 12429579317 - 28 = 12429579061 is a prime.

Together with 12429579319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12429579319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214789658 + 6214789659.

It is an arithmetic number, because the mean of its divisors is an integer number (6214789659).

Almost surely, 212429579317 is an apocalyptic number.

It is an amenable number.

12429579317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12429579317 is an equidigital number, since it uses as much as digits as its factorization.

12429579317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The spelling of 12429579317 in words is "twelve billion, four hundred twenty-nine million, five hundred seventy-nine thousand, three hundred seventeen".