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9947869292 = 2219130893017
BaseRepresentation
bin10010100001111000…
…00111000001101100
3221200021200010020102
421100330013001230
5130333123304132
64323041210232
7501342331244
oct112074070154
927607603212
109947869292
114245349489
121b17630978
13c26c672ba
146a5272b24
153d3511c62
hex250f0706c

9947869292 has 12 divisors (see below), whose sum is σ = 18325022520. Its totient is φ = 4712148576.

The previous prime is 9947869229. The next prime is 9947869303. The reversal of 9947869292 is 2929687499.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65446433 + ... + 65446584.

It is an arithmetic number, because the mean of its divisors is an integer number (1527085210).

Almost surely, 29947869292 is an apocalyptic number.

It is an amenable number.

9947869292 is a deficient number, since it is larger than the sum of its proper divisors (8377153228).

9947869292 is a wasteful number, since it uses less digits than its factorization.

9947869292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130893040 (or 130893038 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 65.

The square root of 9947869292 is about 99739.0058703214. The cubic root of 9947869292 is about 2150.6844254734.

The spelling of 9947869292 in words is "nine billion, nine hundred forty-seven million, eight hundred sixty-nine thousand, two hundred ninety-two".

Divisors: 1 2 4 19 38 76 130893017 261786034 523572068 2486967323 4973934646 9947869292