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9660008945 = 52161189399
BaseRepresentation
bin10001111111100100…
…00000100111110001
3220221020000022002002
420333302000213301
5124240430241240
64234315303345
7461245502246
oct107762004761
926836008062
109660008945
114107906774
121a5714ab55
13bac429c32
14678d3d5cd
153b80eed15
hex23fc809f1

9660008945 has 8 divisors (see below), whose sum is σ = 11592676800. Its totient is φ = 7727563120.

The previous prime is 9660008909. The next prime is 9660008987. The reversal of 9660008945 is 5498000669.

9660008945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9660008945 - 216 = 9659943409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9660008945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63356 + ... + 152754.

It is an arithmetic number, because the mean of its divisors is an integer number (1449084600).

Almost surely, 29660008945 is an apocalyptic number.

It is an amenable number.

9660008945 is a deficient number, since it is larger than the sum of its proper divisors (1932667855).

9660008945 is a wasteful number, since it uses less digits than its factorization.

9660008945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111015.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 9660008945 is about 98285.3445077139. The cubic root of 9660008945 is about 2129.7363471997.

The spelling of 9660008945 in words is "nine billion, six hundred sixty million, eight thousand, nine hundred forty-five".

Divisors: 1 5 21611 89399 108055 446995 1932001789 9660008945