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9971264375 = 54148710729
BaseRepresentation
bin10010100100101010…
…10110101101110111
3221201220200201020222
421102111112231313
5130410120430000
64325234444555
7502045230422
oct112225265567
927656621228
109971264375
114257578566
121b2343375b
13c2ba68b47
146a84029b9
153d55d3a85
hex252556b77

9971264375 has 20 divisors (see below), whose sum is σ = 12469633440. Its totient is φ = 7970904000.

The previous prime is 9971264357. The next prime is 9971264377. The reversal of 9971264375 is 5734621799.

It is not a de Polignac number, because 9971264375 - 26 = 9971264311 is a prime.

It is a super-2 number, since 2×99712643752 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9971264377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 924011 + ... + 934739.

It is an arithmetic number, because the mean of its divisors is an integer number (623481672).

Almost surely, 29971264375 is an apocalyptic number.

9971264375 is a deficient number, since it is larger than the sum of its proper divisors (2498369065).

9971264375 is a wasteful number, since it uses less digits than its factorization.

9971264375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12236 (or 12221 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 53.

The square root of 9971264375 is about 99856.2185094148. The cubic root of 9971264375 is about 2152.3690759649.

The spelling of 9971264375 in words is "nine billion, nine hundred seventy-one million, two hundred sixty-four thousand, three hundred seventy-five".

Divisors: 1 5 25 125 625 1487 7435 10729 37175 53645 185875 268225 929375 1341125 6705625 15954023 79770115 398850575 1994252875 9971264375