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12525105319 is a prime number
BaseRepresentation
bin10111010101000110…
…11111000010100111
31012022220012021102121
423222203133002213
5201122411332234
65430504250411
7622245432016
oct135243370247
935286167377
1012525105319
115348106011
122516770a07
131247b99a2c
1486b66aa7d
154d48e74b4
hex2ea8df0a7

12525105319 has 2 divisors, whose sum is σ = 12525105320. Its totient is φ = 12525105318.

The previous prime is 12525105277. The next prime is 12525105347. The reversal of 12525105319 is 91350152521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12525105319 - 213 = 12525097127 is a prime.

It is a super-2 number, since 2×125251053192 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525105389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262552659 + 6262552660.

It is an arithmetic number, because the mean of its divisors is an integer number (6262552660).

Almost surely, 212525105319 is an apocalyptic number.

12525105319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525105319 is an equidigital number, since it uses as much as digits as its factorization.

12525105319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 34.

The spelling of 12525105319 in words is "twelve billion, five hundred twenty-five million, one hundred five thousand, three hundred nineteen".