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12550214617 is a prime number
BaseRepresentation
bin10111011000000110…
…10001001111011001
31012101122102221220121
423230003101033121
5201200323331432
65433202353241
7623002030663
oct135403211731
935348387817
1012550214617
1153602a5aa6
12252305b821
13125014b8c5
14870b25533
154d6c07197
hex2ec0d13d9

12550214617 has 2 divisors, whose sum is σ = 12550214618. Its totient is φ = 12550214616.

The previous prime is 12550214597. The next prime is 12550214627. The reversal of 12550214617 is 71641205521.

12550214617 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., 12311233936 + 238980681 = 110956^2 + 15459^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550214617 - 211 = 12550212569 is a prime.

It is not a weakly prime, because it can be changed into another prime (12550214627) 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, 6275107308 + 6275107309.

It is an arithmetic number, because the mean of its divisors is an integer number (6275107309).

Almost surely, 212550214617 is an apocalyptic number.

It is an amenable number.

12550214617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550214617 is an equidigital number, since it uses as much as digits as its factorization.

12550214617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 12550214617 in words is "twelve billion, five hundred fifty million, two hundred fourteen thousand, six hundred seventeen".