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8170250473225 = 525716732
BaseRepresentation
bin111011011100100100011…
…1000001000111100001001
31001221001211210200112122201
41312321020320020330021
52032330133110120400
625213210010320201
71502165265110101
oct166711070107411
931831753615581
108170250473225
11266aa90437675
12abb548429061
134735b36c8149
142036296b6201
15e27d878a06a
hex76e48e08f09

8170250473225 has 9 divisors (see below), whose sum is σ = 10131128308693. Its totient is φ = 6536188945120.

The previous prime is 8170250473201. The next prime is 8170250473241. The reversal of 8170250473225 is 5223740520718.

The square root of 8170250473225 is 2858365.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 53700183289 + 8116550289936 = 231733^2 + 2848956^2 .

It is not a de Polignac number, because 8170250473225 - 25 = 8170250473193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14005989 + ... + 14577661.

Almost surely, 28170250473225 is an apocalyptic number.

8170250473225 is the 2858365-th square number.

8170250473225 is the 1429183-rd centered octagonal number.

It is an amenable number.

8170250473225 is a deficient number, since it is larger than the sum of its proper divisors (1960877835468).

8170250473225 is an frugal number, since it uses more digits than its factorization.

8170250473225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143356 (or 571678 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 8170250473225 in words is "eight trillion, one hundred seventy billion, two hundred fifty million, four hundred seventy-three thousand, two hundred twenty-five".

Divisors: 1 5 25 571673 2858365 14291825 326810018929 1634050094645 8170250473225