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8668828689 = 330717595351
BaseRepresentation
bin10000001001011001…
…11101010000010001
3211101010221010101020
420010230331100101
5120223210004224
63552111030053
7424551554013
oct100454752021
924333833336
108668828689
113749367334
12181b20b329
13a81c8a341
145c344a1b3
1535b0b1c79
hex204b3d411

8668828689 has 16 divisors (see below), whose sum is σ = 11604848640. Its totient is φ = 5756043600.

The previous prime is 8668828673. The next prime is 8668828699. The reversal of 8668828689 is 9868288668.

It is not a de Polignac number, because 8668828689 - 24 = 8668828673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8668828669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617364 + ... + 1622714.

It is an arithmetic number, because the mean of its divisors is an integer number (725303040).

Almost surely, 28668828689 is an apocalyptic number.

It is an amenable number.

8668828689 is a deficient number, since it is larger than the sum of its proper divisors (2936019951).

8668828689 is a wasteful number, since it uses less digits than its factorization.

8668828689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420.

The product of its digits is 127401984, while the sum is 69.

The square root of 8668828689 is about 93106.5448236589. The cubic root of 8668828689 is about 2054.2508414691.

The spelling of 8668828689 in words is "eight billion, six hundred sixty-eight million, eight hundred twenty-eight thousand, six hundred eighty-nine".

Divisors: 1 3 307 921 1759 5277 5351 16053 540013 1620039 1642757 4928271 9412409 28237227 2889609563 8668828689