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8988008898 = 2311136181953
BaseRepresentation
bin10000101111011101…
…00010000111000010
3212012101112011022110
420113232202013002
5121401412241043
64043512120150
7435505546401
oct102756420702
925171464273
108988008898
1138a2551130
1218aa096056
13b0314237b
146139b3638
1537910db33
hex217ba21c2

8988008898 has 16 divisors (see below), whose sum is σ = 19610201376. Its totient is φ = 2723639040.

The previous prime is 8988008879. The next prime is 8988008899.

8988008898 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 136181953 = 8988008898 / (8 + 9 + 8 + 8 + 0 + 0 + 8 + 8 + 9 + 8).

It is not an unprimeable number, because it can be changed into a prime (8988008899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68090911 + ... + 68091042.

It is an arithmetic number, because the mean of its divisors is an integer number (1225637586).

Almost surely, 28988008898 is an apocalyptic number.

8988008898 is an abundant number, since it is smaller than the sum of its proper divisors (10622192478).

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

8988008898 is a wasteful number, since it uses less digits than its factorization.

8988008898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136181969.

The product of its (nonzero) digits is 21233664, while the sum is 66.

The square root of 8988008898 is about 94805.1100837924. The cubic root of 8988008898 is about 2079.1596162804.

The spelling of 8988008898 in words is "eight billion, nine hundred eighty-eight million, eight thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 136181953 272363906 408545859 817091718 1498001483 2996002966 4494004449 8988008898