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12550265393 is a prime number
BaseRepresentation
bin10111011000000110…
…11101101000110001
31012101122112112120012
423230003131220301
5201200331443033
65433203424305
7623002332011
oct135403355061
935348475505
1012550265393
115360330166
122523085095
131250168a53
14870b39c41
154d6c17248
hex2ec0dda31

12550265393 has 2 divisors, whose sum is σ = 12550265394. Its totient is φ = 12550265392.

The previous prime is 12550265281. The next prime is 12550265437. The reversal of 12550265393 is 39356205521.

It is a happy number.

12550265393 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., 11333092849 + 1217172544 = 106457^2 + 34888^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550265393 - 28 = 12550265137 is a prime.

It is a super-3 number, since 3×125502653933 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12550265393.

It is not a weakly prime, because it can be changed into another prime (12550265093) 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, 6275132696 + 6275132697.

It is an arithmetic number, because the mean of its divisors is an integer number (6275132697).

Almost surely, 212550265393 is an apocalyptic number.

It is an amenable number.

12550265393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550265393 is an equidigital number, since it uses as much as digits as its factorization.

12550265393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 12550265393 in words is "twelve billion, five hundred fifty million, two hundred sixty-five thousand, three hundred ninety-three".