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12629808325 = 52505192333
BaseRepresentation
bin10111100001100101…
…11001010011000101
31012121012012201221201
423300302321103011
5201331212331300
65445124342501
7624656412421
oct136062712305
935535181851
1012629808325
1153a1219a22
122545844a31
131263799084
1487b523b81
154ddbca66a
hex2f0cb94c5

12629808325 has 6 divisors (see below), whose sum is σ = 15660962354. Its totient is φ = 10103846640.

The previous prime is 12629808281. The next prime is 12629808349. The reversal of 12629808325 is 52380892621.

12629808325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 139287204 + 12490521121 = 11802^2 + 111761^2 .

It is a de Polignac number, because none of the positive numbers 2k-12629808325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252596142 + ... + 252596191.

Almost surely, 212629808325 is an apocalyptic number.

It is an amenable number.

12629808325 is a deficient number, since it is larger than the sum of its proper divisors (3031154029).

12629808325 is an equidigital number, since it uses as much as digits as its factorization.

12629808325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505192343 (or 505192338 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 12629808325 in words is "twelve billion, six hundred twenty-nine million, eight hundred eight thousand, three hundred twenty-five".

Divisors: 1 5 25 505192333 2525961665 12629808325