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12560764425 = 3521171214439
BaseRepresentation
bin10111011001010111…
…00000111000001001
31012102101021221112020
423230223200320021
5201211023430200
65434220435053
7623160510306
oct135453407011
935371257466
1012560764425
115366251250
1225266a8a89
1312523a37b1
148722b00ad
154d7adcea0
hex2ecae0e09

12560764425 has 48 divisors (see below), whose sum is σ = 22974243840. Its totient is φ = 6004264000.

The previous prime is 12560764373. The next prime is 12560764427. The reversal of 12560764425 is 52446706521.

It is not a de Polignac number, because 12560764425 - 26 = 12560764361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12560764427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48645 + ... + 165794.

It is an arithmetic number, because the mean of its divisors is an integer number (478630080).

Almost surely, 212560764425 is an apocalyptic number.

12560764425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12560764425 is a deficient number, since it is larger than the sum of its proper divisors (10413479415).

12560764425 is a wasteful number, since it uses less digits than its factorization.

12560764425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214534 (or 214529 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 12560764425 in words is "twelve billion, five hundred sixty million, seven hundred sixty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 71 75 165 213 275 355 781 825 1065 1775 2343 3905 5325 11715 19525 58575 214439 643317 1072195 2358829 3216585 5360975 7076487 11794145 15225169 16082925 35382435 45675507 58970725 76125845 167476859 176912175 228377535 380629225 502430577 837384295 1141887675 2512152885 4186921475 12560764425