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12152563613 = 23528372331
BaseRepresentation
bin10110101000101100…
…10110011110011101
31011100221012012021122
423110112112132131
5144342024013423
65325515340325
7610103041421
oct132426263635
934327165248
1012152563613
115176894a03
122431a516a5
1311b8950558
14833db2b81
154b1d598c8
hex2d459679d

12152563613 has 4 divisors (see below), whose sum is σ = 12680935968. Its totient is φ = 11624191260.

The previous prime is 12152563589. The next prime is 12152563669. The reversal of 12152563613 is 31636525121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12152563613 - 232 = 7857596317 is a prime.

It is a super-2 number, since 2×121525636132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152563513) 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 in 3 ways as a sum of consecutive naturals, for example, 264186143 + ... + 264186188.

It is an arithmetic number, because the mean of its divisors is an integer number (3170233992).

Almost surely, 212152563613 is an apocalyptic number.

It is an amenable number.

12152563613 is a deficient number, since it is larger than the sum of its proper divisors (528372355).

12152563613 is an equidigital number, since it uses as much as digits as its factorization.

12152563613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528372354.

The product of its digits is 32400, while the sum is 35.

The spelling of 12152563613 in words is "twelve billion, one hundred fifty-two million, five hundred sixty-three thousand, six hundred thirteen".

Divisors: 1 23 528372331 12152563613