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12425130536 = 2371368324989
BaseRepresentation
bin10111001001001100…
…00111001000101000
31012001221002000210212
423210212013020220
5200421313134121
65412533400252
7616622603240
oct134446071050
935057060725
1012425130536
1152a6731525
1224a9199088
131230264860
1485c284b20
154cac4a25b
hex2e4987228

12425130536 has 64 divisors (see below), whose sum is σ = 28716508800. Its totient is φ = 4908043008.

The previous prime is 12425130521. The next prime is 12425130581. The reversal of 12425130536 is 63503152421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484730 + ... + 509718.

It is an arithmetic number, because the mean of its divisors is an integer number (448695450).

Almost surely, 212425130536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12425130536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14358254400).

12425130536 is an abundant number, since it is smaller than the sum of its proper divisors (16291378264).

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

12425130536 is a wasteful number, since it uses less digits than its factorization.

12425130536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25698 (or 25694 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 12425130536 its reverse (63503152421), we get a palindrome (75928282957).

The spelling of 12425130536 in words is "twelve billion, four hundred twenty-five million, one hundred thirty thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 683 728 1366 2732 4781 5464 8879 9562 17758 19124 24989 35516 38248 49978 62153 71032 99956 124306 174923 199912 248612 324857 349846 497224 649714 699692 1299428 1399384 2273999 2598856 4547998 9095996 17067487 18191992 34134974 68269948 119472409 136539896 221877331 238944818 443754662 477889636 887509324 955779272 1553141317 1775018648 3106282634 6212565268 12425130536