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12928000564 = 2216691936489
BaseRepresentation
bin11000000101001000…
…11010001000110100
31020100222022110210201
430002210122020310
5202434032004224
65534455530244
7635240122513
oct140244321064
936328273721
1012928000564
115534579196
122609689984
1312b04b309b
148a8d8667a
15509e7da44
hex30291a234

12928000564 has 12 divisors (see below), whose sum is σ = 22637568100. Its totient is φ = 6460123968.

The previous prime is 12928000541. The next prime is 12928000633. The reversal of 12928000564 is 46500082921.

It can be written as a sum of positive squares in 2 ways, for example, as 7251884964 + 5676115600 = 85158^2 + 75340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961569 + ... + 974920.

Almost surely, 212928000564 is an apocalyptic number.

It is an amenable number.

12928000564 is a deficient number, since it is larger than the sum of its proper divisors (9709567536).

12928000564 is a wasteful number, since it uses less digits than its factorization.

12928000564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938162 (or 1938160 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12928000564 in words is "twelve billion, nine hundred twenty-eight million, five hundred sixty-four", and thus it is an aban number.

Divisors: 1 2 4 1669 3338 6676 1936489 3872978 7745956 3232000141 6464000282 12928000564