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12380543264 = 253491108573
BaseRepresentation
bin10111000011111000…
…00001100100100000
31011221211011202120102
423201330001210200
5200323404341024
65404302001532
7615541611215
oct134174014440
934854152512
1012380543264
115283548441
1224962762a8
131223c5305b
14856399b0c
154c6d8e1ae
hex2e1f01920

12380543264 has 24 divisors (see below), whose sum is σ = 24444056700. Its totient is φ = 6172528896.

The previous prime is 12380543261. The next prime is 12380543297. The reversal of 12380543264 is 46234508321.

It can be written as a sum of positive squares in 2 ways, for example, as 11515006864 + 865536400 = 107308^2 + 29420^2 .

It is not an unprimeable number, because it can be changed into a prime (12380543261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543119 + ... + 565454.

Almost surely, 212380543264 is an apocalyptic number.

It is an amenable number.

12380543264 is a deficient number, since it is larger than the sum of its proper divisors (12063513436).

12380543264 is a wasteful number, since it uses less digits than its factorization.

12380543264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108932 (or 1108924 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 12380543264 in words is "twelve billion, three hundred eighty million, five hundred forty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 32 349 698 1396 2792 5584 11168 1108573 2217146 4434292 8868584 17737168 35474336 386891977 773783954 1547567908 3095135816 6190271632 12380543264