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12768238630625 = 54171398645443
BaseRepresentation
bin1011100111001101011001…
…0100111111011011100001
31200012122001111121002212012
42321303112110333123201
53133143323042140000
643053351534042305
72455321566434012
oct271632624773341
950178044532765
1012768238630625
114082a859266a5
1215226a1349395
137180693bb56a
14321db39db009
151721e7b61735
hexb9cd653f6e1

12768238630625 has 40 divisors (see below), whose sum is σ = 17015271245280. Its totient is φ = 9544567968000.

The previous prime is 12768238630603. The next prime is 12768238630643. The reversal of 12768238630625 is 52603683286721.

It is not a de Polignac number, because 12768238630625 - 218 = 12768238368481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2845847 + ... + 5799596.

It is an arithmetic number, because the mean of its divisors is an integer number (425381781132).

Almost surely, 212768238630625 is an apocalyptic number.

It is an amenable number.

12768238630625 is a deficient number, since it is larger than the sum of its proper divisors (4247032614655).

12768238630625 is an equidigital number, since it uses as much as digits as its factorization.

12768238630625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645619 (or 8645604 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 12768238630625 in words is "twelve trillion, seven hundred sixty-eight billion, two hundred thirty-eight million, six hundred thirty thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 139 425 625 695 2125 2363 3475 10625 11815 17375 59075 86875 295375 1476875 8645443 43227215 146972531 216136075 734862655 1080680375 1201716577 3674313275 5403401875 6008582885 18371566375 20429181809 30042914425 91857831875 102145909045 150214572125 510729545225 751072860625 2553647726125 12768238630625