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12544350344 = 231568043793
BaseRepresentation
bin10111010111011001…
…11001100010001000
31012101020102000122022
423223230321202020
5201142323202334
65432432544012
7622601134661
oct135354714210
935336360568
1012544350344
115357a60099
1225210b2008
13124bb77616
1487003a368
154d644982e
hex2ebb39888

12544350344 has 8 divisors (see below), whose sum is σ = 23520656910. Its totient is φ = 6272175168.

The previous prime is 12544350331. The next prime is 12544350349. The reversal of 12544350344 is 44305344521.

12544350344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9426468100 + 3117882244 = 97090^2 + 55838^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12544350349) 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, 784021889 + ... + 784021904.

Almost surely, 212544350344 is an apocalyptic number.

It is an amenable number.

12544350344 is a deficient number, since it is larger than the sum of its proper divisors (10976306566).

12544350344 is a wasteful number, since it uses less digits than its factorization.

12544350344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568043799 (or 1568043795 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 12544350344 its reverse (44305344521), we get a palindrome (56849694865).

The spelling of 12544350344 in words is "twelve billion, five hundred forty-four million, three hundred fifty thousand, three hundred forty-four".

Divisors: 1 2 4 8 1568043793 3136087586 6272175172 12544350344