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8898668988 = 2231171993761
BaseRepresentation
bin10000100100110011…
…01110100110111100
3211222011102012222220
420102121232212330
5121211024401423
64031001205340
7433342303236
oct102231564674
924864365886
108898668988
1138570807a0
121884190850
13aba791a11
14605b99256
153713629e3
hex21266e9bc

8898668988 has 48 divisors (see below), whose sum is σ = 22682903040. Its totient is φ = 2692787200.

The previous prime is 8898668951. The next prime is 8898669079.

8898668988 is nontrivially palindromic in base 10.

8898668988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 48028 + ... + 141788.

It is an arithmetic number, because the mean of its divisors is an integer number (472560480).

Almost surely, 28898668988 is an apocalyptic number.

It is an amenable number.

8898668988 is an abundant number, since it is smaller than the sum of its proper divisors (13784234052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8898668988 is a wasteful number, since it uses less digits than its factorization.

8898668988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94498 (or 94496 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 78.

The square root of 8898668988 is about 94332.7567073071. The cubic root of 8898668988 is about 2072.2477848871.

The spelling of 8898668988 in words is "eight billion, eight hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 719 1438 2157 2876 4314 7909 8628 15818 23727 31636 47454 93761 94908 187522 281283 375044 562566 1031371 1125132 2062742 3094113 4125484 6188226 12376452 67414159 134828318 202242477 269656636 404484954 741555749 808969908 1483111498 2224667247 2966222996 4449334494 8898668988