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8668148159 = 111495288681
BaseRepresentation
bin10000001001010100…
…10111000110111111
3211101002122112212102
420010222113012333
5120223021220114
63552044255315
7424543020656
oct100452270677
924332575772
108668148159
113748a42010
12181ab4153b
13a81aac668
145c331019d
1535aeca2de
hex204a971bf

8668148159 has 8 divisors (see below), whose sum is σ = 9519627600. Its totient is φ = 7827246400.

The previous prime is 8668148143. The next prime is 8668148183. The reversal of 8668148159 is 9518418668.

8668148159 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 a cyclic number.

It is not a de Polignac number, because 8668148159 - 24 = 8668148143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668148189) 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, 2642702 + ... + 2645979.

It is an arithmetic number, because the mean of its divisors is an integer number (1189953450).

Almost surely, 28668148159 is an apocalyptic number.

8668148159 is a deficient number, since it is larger than the sum of its proper divisors (851479441).

8668148159 is a wasteful number, since it uses less digits than its factorization.

8668148159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288841.

The product of its digits is 3317760, while the sum is 56.

The square root of 8668148159 is about 93102.8901753324. The cubic root of 8668148159 is about 2054.1970850368.

The spelling of 8668148159 in words is "eight billion, six hundred sixty-eight million, one hundred forty-eight thousand, one hundred fifty-nine".

Divisors: 1 11 149 1639 5288681 58175491 788013469 8668148159