Base | Representation |
---|---|
bin | 1011100111001101011001… |
… | …0100111111011011100001 |
3 | 1200012122001111121002212012 |
4 | 2321303112110333123201 |
5 | 3133143323042140000 |
6 | 43053351534042305 |
7 | 2455321566434012 |
oct | 271632624773341 |
9 | 50178044532765 |
10 | 12768238630625 |
11 | 4082a859266a5 |
12 | 15226a1349395 |
13 | 7180693bb56a |
14 | 321db39db009 |
15 | 1721e7b61735 |
hex | b9cd653f6e1 |
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".
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