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12747702660 = 223571125110993
BaseRepresentation
bin10111101111101001…
…01000000110000100
31012220102001101120120
423313310220012010
5202101402441120
65504535301540
7630620453610
oct136764500604
935812041516
1012747702660
115451822760
12257921a8b0
131282036734
1488d052340
154e9217140
hex2f7d28184

12747702660 has 192 divisors, whose sum is σ = 44682430464. Its totient is φ = 2638080000.

The previous prime is 12747702631. The next prime is 12747702679. The reversal of 12747702660 is 6620774721.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1154124 + ... + 1165116.

It is an arithmetic number, because the mean of its divisors is an integer number (232720992).

Almost surely, 212747702660 is an apocalyptic number.

12747702660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12747702660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22341215232).

12747702660 is an abundant number, since it is smaller than the sum of its proper divisors (31934727804).

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

12747702660 is a wasteful number, since it uses less digits than its factorization.

12747702660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274 (or 11272 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 12747702660 in words is "twelve billion, seven hundred forty-seven million, seven hundred two thousand, six hundred sixty".