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9947714961 = 331157168087
BaseRepresentation
bin10010100001110111…
…00001010110010001
3221200021101021112110
421100323201112101
5130333103334321
64323034015533
7501341116302
oct112073412621
927607337473
109947714961
114245253538
121b175775a9
13c26c11c92
146a52327a9
153d34d1176
hex250ee1591

9947714961 has 16 divisors (see below), whose sum is σ = 13700395008. Its totient is φ = 6413701200.

The previous prime is 9947714947. The next prime is 9947714963. The reversal of 9947714961 is 1694177499.

It is not a de Polignac number, because 9947714961 - 25 = 9947714929 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9947714963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112060 + ... + 180146.

It is an arithmetic number, because the mean of its divisors is an integer number (856274688).

Almost surely, 29947714961 is an apocalyptic number.

It is an amenable number.

9947714961 is a deficient number, since it is larger than the sum of its proper divisors (3752680047).

9947714961 is a wasteful number, since it uses less digits than its factorization.

9947714961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69692.

The product of its digits is 3429216, while the sum is 57.

The square root of 9947714961 is about 99738.2321930763. The cubic root of 9947714961 is about 2150.6733035275.

The spelling of 9947714961 in words is "nine billion, nine hundred forty-seven million, seven hundred fourteen thousand, nine hundred sixty-one".

Divisors: 1 3 31 93 1571 4713 48701 68087 146103 204261 2110697 6332091 106964677 320894031 3315904987 9947714961