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12243510439 = 711491157341
BaseRepresentation
bin10110110011100010…
…10010010010100111
31011121021022202212121
423121301102102213
5200033314313224
65342524530411
7612256056466
oct133161222247
934537282777
1012243510439
115213162676
1224583b0a07
131201744444
148420c89dd
154b9d21be4
hex2d9c524a7

12243510439 has 8 divisors (see below), whose sum is σ = 12499293600. Its totient is φ = 11990042400.

The previous prime is 12243510401. The next prime is 12243510533. The reversal of 12243510439 is 93401534221.

12243510439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12243510439 - 227 = 12109292711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243510739) 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 in 7 ways as a sum of consecutive naturals, for example, 568092 + ... + 589249.

It is an arithmetic number, because the mean of its divisors is an integer number (1562411700).

Almost surely, 212243510439 is an apocalyptic number.

12243510439 is a deficient number, since it is larger than the sum of its proper divisors (255783161).

12243510439 is a wasteful number, since it uses less digits than its factorization.

12243510439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157561.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 12243510439 in words is "twelve billion, two hundred forty-three million, five hundred ten thousand, four hundred thirty-nine".

Divisors: 1 71 149 10579 1157341 82171211 172443809 12243510439