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9909080631 = 321101008959
BaseRepresentation
bin10010011101010000…
…01001001000110111
3221120120200110012100
421032220021020313
5130243211040011
64315133553143
7500361536622
oct111650111067
927516613170
109909080631
114225465a3a
121b066457b3
13c1bc05c28
146a0056db9
153cededd56
hex24ea09237

9909080631 has 6 divisors (see below), whose sum is σ = 14313116480. Its totient is φ = 6606053748.

The previous prime is 9909080617. The next prime is 9909080633. The reversal of 9909080631 is 1360809099.

9909080631 is a `hidden beast` number, since 9 + 9 + 0 + 9 + 0 + 8 + 0 + 631 = 666.

It is a de Polignac number, because none of the positive numbers 2k-9909080631 is a prime.

It is a super-2 number, since 2×99090806312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9909080633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550504471 + ... + 550504488.

Almost surely, 29909080631 is an apocalyptic number.

9909080631 is a deficient number, since it is larger than the sum of its proper divisors (4404035849).

9909080631 is a wasteful number, since it uses less digits than its factorization.

9909080631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101008965 (or 1101008962 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 9909080631 is about 99544.3651393689. The cubic root of 9909080631 is about 2147.8854733056.

The spelling of 9909080631 in words is "nine billion, nine hundred nine million, eighty thousand, six hundred thirty-one".

Divisors: 1 3 9 1101008959 3303026877 9909080631