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8303872664225 = 523716355074599
BaseRepresentation
bin111100011010110010101…
…1000010110001010100001
31002101211202011102011012202
41320311211120112022201
52042022312400223400
625354425121502545
71514635464022055
oct170654530261241
932354664364182
108303872664225
11271171a701486
12b2141a1a1a55
13483089b4c558
14209ca3c69c65
15e60095e54d5
hex78d656162a1

8303872664225 has 24 divisors (see below), whose sum is σ = 10639972123200. Its totient is φ = 6423901110720.

The previous prime is 8303872664189. The next prime is 8303872664233. The reversal of 8303872664225 is 5224662783038.

It is a happy number.

It is not a de Polignac number, because 8303872664225 - 226 = 8303805555361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27386525 + ... + 27688074.

It is an arithmetic number, because the mean of its divisors is an integer number (443332171800).

Almost surely, 28303872664225 is an apocalyptic number.

It is an amenable number.

8303872664225 is a deficient number, since it is larger than the sum of its proper divisors (2336099458975).

8303872664225 is a wasteful number, since it uses less digits than its factorization.

8303872664225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55074809 (or 55074804 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 8303872664225 in words is "eight trillion, three hundred three billion, eight hundred seventy-two million, six hundred sixty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 37 163 185 815 925 4075 6031 30155 150775 55074599 275372995 1376864975 2037760163 8977159637 10188800815 44885798185 50944004075 224428990925 332154906569 1660774532845 8303872664225