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9639980411 = 64115038971
BaseRepresentation
bin10001111101001011…
…00110110101111011
3220212211022202002112
420332211212311323
5124220313333121
64232322122535
7460613324105
oct107645466573
926784282075
109639980411
1140a7576a66
121a504b044b
13ba8236829
14676408575
153b649575b
hex23e966d7b

9639980411 has 4 divisors (see below), whose sum is σ = 9655020024. Its totient is φ = 9624940800.

The previous prime is 9639980387. The next prime is 9639980417. The reversal of 9639980411 is 1140899369.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9639980411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9639980411.

It is not an unprimeable number, because it can be changed into a prime (9639980417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7518845 + ... + 7520126.

It is an arithmetic number, because the mean of its divisors is an integer number (2413755006).

Almost surely, 29639980411 is an apocalyptic number.

9639980411 is a deficient number, since it is larger than the sum of its proper divisors (15039613).

9639980411 is a wasteful number, since it uses less digits than its factorization.

9639980411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15039612.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 9639980411 is about 98183.4019119321. The cubic root of 9639980411 is about 2128.2634358410.

The spelling of 9639980411 in words is "nine billion, six hundred thirty-nine million, nine hundred eighty thousand, four hundred eleven".

Divisors: 1 641 15038971 9639980411