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8986309922 = 217239432
BaseRepresentation
bin10000101111010000…
…00011010100100010
3212012021022211202102
420113220003110202
5121400443404142
64043411450402
7435455242202
oct102750032442
925167284672
108986309922
1138a15a0717
1218a95b6a02
13b02998c65
14613690402
15378dc5532
hex217a03522

8986309922 has 18 divisors (see below), whose sum is σ = 14322648753. Its totient is φ = 4227779232.

The previous prime is 8986309909. The next prime is 8986309949. The reversal of 8986309922 is 2299036898.

It can be written as a sum of positive squares in 2 ways, for example, as 8224494721 + 761815201 = 90689^2 + 27601^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=67031.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 2277083 + ... + 2281025.

Almost surely, 28986309922 is an apocalyptic number.

8986309922 is a deficient number, since it is larger than the sum of its proper divisors (5336338831).

8986309922 is an frugal number, since it uses more digits than its factorization.

8986309922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7922 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 8986309922 is about 94796.1492994309. The cubic root of 8986309922 is about 2079.0286022843.

The spelling of 8986309922 in words is "eight billion, nine hundred eighty-six million, three hundred nine thousand, nine hundred twenty-two".

Divisors: 1 2 17 34 289 578 3943 7886 67031 134062 1139527 2279054 15547249 31094498 264303233 528606466 4493154961 8986309922