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12893697488 = 247115122299
BaseRepresentation
bin11000000001000011…
…00011010111010000
31020021120202200211102
430000201203113100
5202401241304423
65531232403532
7634342422530
oct140041432720
936246680742
1012893697488
115517179841
1225ba0a65a8
1312a63625c9
148a45b74c0
15506e54c28
hex3008635d0

12893697488 has 20 divisors (see below), whose sum is σ = 28550330400. Its totient is φ = 5525870304.

The previous prime is 12893697457. The next prime is 12893697493. The reversal of 12893697488 is 88479639821.

It is a happy number.

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, 57561038 + ... + 57561261.

It is an arithmetic number, because the mean of its divisors is an integer number (1427516520).

Almost surely, 212893697488 is an apocalyptic number.

It is an amenable number.

12893697488 is an abundant number, since it is smaller than the sum of its proper divisors (15656632912).

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

12893697488 is a wasteful number, since it uses less digits than its factorization.

12893697488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115122314 (or 115122308 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The spelling of 12893697488 in words is "twelve billion, eight hundred ninety-three million, six hundred ninety-seven thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 115122299 230244598 460489196 805856093 920978392 1611712186 1841956784 3223424372 6446848744 12893697488