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12653060648 = 231581632581
BaseRepresentation
bin10111100100010111…
…00110001000101000
31012122210222002010212
423302023212020220
5201403140420043
65451315000252
7625361145434
oct136213461050
935583862125
1012653060648
115403360818
122551599088
13126854a947
148806579c4
154e0c70018
hex2f22e6228

12653060648 has 8 divisors (see below), whose sum is σ = 23724488730. Its totient is φ = 6326530320.

The previous prime is 12653060639. The next prime is 12653060653. The reversal of 12653060648 is 84606035621.

It can be written as a sum of positive squares in only one way, i.e., 9678230884 + 2974829764 = 98378^2 + 54542^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790816283 + ... + 790816298.

Almost surely, 212653060648 is an apocalyptic number.

It is an amenable number.

12653060648 is a deficient number, since it is larger than the sum of its proper divisors (11071428082).

12653060648 is a wasteful number, since it uses less digits than its factorization.

12653060648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581632587 (or 1581632583 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 12653060648 in words is "twelve billion, six hundred fifty-three million, sixty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 1581632581 3163265162 6326530324 12653060648