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12514251245 = 529229737573
BaseRepresentation
bin10111010011110100…
…00101000111101101
31012022010202211102212
423221322011013231
5201112122014440
65425435500205
7622054244336
oct135172050755
935263684385
1012514251245
115341a72201
122512bb7665
1312458694c2
1486a04328d
154d39a1465
hex2e9e851ed

12514251245 has 16 divisors (see below), whose sum is σ = 15542109360. Its totient is φ = 9661714944.

The previous prime is 12514251173. The next prime is 12514251251. The reversal of 12514251245 is 54215241521.

It can be written as a sum of positive squares in 8 ways, for example, as 628454761 + 11885796484 = 25069^2 + 109022^2 .

It is a cyclic number.

It is not a de Polignac number, because 12514251245 - 28 = 12514250989 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 314279 + ... + 351851.

It is an arithmetic number, because the mean of its divisors is an integer number (971381835).

Almost surely, 212514251245 is an apocalyptic number.

It is an amenable number.

12514251245 is a deficient number, since it is larger than the sum of its proper divisors (3027858115).

12514251245 is a wasteful number, since it uses less digits than its factorization.

12514251245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39904.

The product of its digits is 16000, while the sum is 32.

Adding to 12514251245 its reverse (54215241521), we get a palindrome (66729492766).

The spelling of 12514251245 in words is "twelve billion, five hundred fourteen million, two hundred fifty-one thousand, two hundred forty-five".

Divisors: 1 5 29 145 2297 11485 37573 66613 187865 333065 1089617 5448085 86305181 431525905 2502850249 12514251245