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8131225264 = 24508201579
BaseRepresentation
bin1111001001010100…
…01010011010110000
3202222200100001010021
413210222022122300
5113123043202024
63422504213224
7405333163051
oct74452123260
922880301107
108131225264
1134a2956988
1216ab16a214
139c779a4c6
14571ca6728
15328cbbde4
hex1e4a8a6b0

8131225264 has 10 divisors (see below), whose sum is σ = 15754248980. Its totient is φ = 4065612624.

The previous prime is 8131225189. The next prime is 8131225303. The reversal of 8131225264 is 4625221318.

It is a super-2 number, since 2×81312252642 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254100774 + ... + 254100805.

It is an arithmetic number, because the mean of its divisors is an integer number (1575424898).

Almost surely, 28131225264 is an apocalyptic number.

It is an amenable number.

8131225264 is a deficient number, since it is larger than the sum of its proper divisors (7623023716).

8131225264 is a wasteful number, since it uses less digits than its factorization.

8131225264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508201587 (or 508201581 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 8131225264 is about 90173.3068263552. The cubic root of 8131225264 is about 2010.8761857452.

The spelling of 8131225264 in words is "eight billion, one hundred thirty-one million, two hundred twenty-five thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 508201579 1016403158 2032806316 4065612632 8131225264