Search a number
-
+
9979006868 = 2217154395107
BaseRepresentation
bin10010100101100101…
…11000111110010100
3221202110021001221222
421102302320332110
5130414111204433
64330112425512
7502201105325
oct112262707624
927673231858
109979006868
114260986616
121b25b48298
13c30549cbc
146a945a44c
153d6112b98
hex252cb8f94

9979006868 has 24 divisors (see below), whose sum is σ = 18502690752. Its totient is φ = 4692910464.

The previous prime is 9979006847. The next prime is 9979006871. The reversal of 9979006868 is 8686009799.

9979006868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9979006868.

It is a congruent number.

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, 57371 + ... + 152477.

It is an arithmetic number, because the mean of its divisors is an integer number (770945448).

Almost surely, 29979006868 is an apocalyptic number.

It is an amenable number.

9979006868 is a deficient number, since it is larger than the sum of its proper divisors (8523683884).

9979006868 is a wasteful number, since it uses less digits than its factorization.

9979006868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96671 (or 96669 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 62.

The square root of 9979006868 is about 99894.9791931506. The cubic root of 9979006868 is about 2152.9260227560.

The spelling of 9979006868 in words is "nine billion, nine hundred seventy-nine million, six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 17 34 68 1543 3086 6172 26231 52462 95107 104924 190214 380428 1616819 3233638 6467276 146750101 293500202 587000404 2494751717 4989503434 9979006868