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12544423304 = 237415463599
BaseRepresentation
bin10111010111011010…
…01011010110001000
31012101020112201201112
423223231023112020
5201142333021204
65432434305452
7622601560460
oct135355132610
935336481645
1012544423304
115357aaa996
122521128288
13124bba18aa
14870058ba0
154d646126e
hex2ebb4b588

12544423304 has 32 divisors (see below), whose sum is σ = 27536544000. Its totient is φ = 5245054080.

The previous prime is 12544423303. The next prime is 12544423337. The reversal of 12544423304 is 40332444521.

It is not an unprimeable number, because it can be changed into a prime (12544423303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729504 + ... + 2734095.

It is an arithmetic number, because the mean of its divisors is an integer number (860517000).

Almost surely, 212544423304 is an apocalyptic number.

12544423304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12544423304 is an abundant number, since it is smaller than the sum of its proper divisors (14992120696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12544423304 is a wasteful number, since it uses less digits than its factorization.

12544423304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463653 (or 5463649 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 12544423304 its reverse (40332444521), we get a palindrome (52876867825).

The spelling of 12544423304 in words is "twelve billion, five hundred forty-four million, four hundred twenty-three thousand, three hundred four".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 5463599 10927198 21854396 38245193 43708792 76490386 152980772 224007559 305961544 448015118 896030236 1568052913 1792060472 3136105826 6272211652 12544423304