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12664310244 = 2231318056177
BaseRepresentation
bin10111100101101101…
…00000100111100100
31012200121010121200120
423302312200213210
5201414030411434
65452400041540
7625555601205
oct136266404744
935617117616
1012664310244
115409744803
1225553032b0
13126a989201
14881d455ac
154e1c43349
hex2f2da09e4

12664310244 has 24 divisors (see below), whose sum is σ = 29775633888. Its totient is φ = 4189211520.

The previous prime is 12664310227. The next prime is 12664310261. The reversal of 12664310244 is 44201346621.

It is a happy number.

12664310244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12664310227) and next prime (12664310261).

It is an unprimeable number.

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, 4026517 + ... + 4029660.

It is an arithmetic number, because the mean of its divisors is an integer number (1240651412).

Almost surely, 212664310244 is an apocalyptic number.

It is an amenable number.

12664310244 is an abundant number, since it is smaller than the sum of its proper divisors (17111323644).

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

12664310244 is a wasteful number, since it uses less digits than its factorization.

12664310244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056315 (or 8056313 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 12664310244 its reverse (44201346621), we get a palindrome (56865656865).

The spelling of 12664310244 in words is "twelve billion, six hundred sixty-four million, three hundred ten thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 8056177 16112354 24168531 32224708 48337062 96674124 1055359187 2110718374 3166077561 4221436748 6332155122 12664310244