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9995665999 = 116029150721
BaseRepresentation
bin10010100111100100…
…11100001001001111
3221210121121102222211
421103302130021033
5130432342302444
64331505451251
7502462521244
oct112362341117
927717542884
109995665999
11426a3248a0
121b2b640b27
13c33b30887
146ab7555cb
153d7803c34
hex253c9c24f

9995665999 has 8 divisors (see below), whose sum is σ = 10906243920. Its totient is φ = 9085401600.

The previous prime is 9995665987. The next prime is 9995666011.

It is a happy number.

9995665999 is nontrivially palindromic in base 10.

9995665999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9995665987) and next prime (9995666011).

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

It is not a de Polignac number, because 9995665999 - 29 = 9995665487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9995665919) by changing a digit.

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, 9042 + ... + 141679.

It is an arithmetic number, because the mean of its divisors is an integer number (1363280490).

Almost surely, 29995665999 is an apocalyptic number.

9995665999 is a deficient number, since it is larger than the sum of its proper divisors (910577921).

9995665999 is a wasteful number, since it uses less digits than its factorization.

9995665999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156761.

The product of its digits is 478296900, while the sum is 76.

The square root of 9995665999 is about 99978.3276465455. The cubic root of 9995665999 is about 2154.1234009866.

The spelling of 9995665999 in words is "nine billion, nine hundred ninety-five million, six hundred sixty-five thousand, nine hundred ninety-nine".

Divisors: 1 11 6029 66319 150721 1657931 908696909 9995665999