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8894686690 = 251635456863
BaseRepresentation
bin10000100100010101…
…00010010111100010
3211221212220220022101
420102022202113202
5121204014433230
64030340001014
7433263406111
oct102212422742
924855826271
108894686690
11385490083a
12188299016a
13ab99c9226
1460543dc78
15370d27aca
hex2122a25e2

8894686690 has 16 divisors (see below), whose sum is σ = 16108662528. Its totient is φ = 3536046576.

The previous prime is 8894686651. The next prime is 8894686727. The reversal of 8894686690 is 966864988.

It is a happy number.

8894686690 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×88946866902 (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2726802 + ... + 2730061.

It is an arithmetic number, because the mean of its divisors is an integer number (1006791408).

Almost surely, 28894686690 is an apocalyptic number.

8894686690 is a deficient number, since it is larger than the sum of its proper divisors (7213975838).

8894686690 is a wasteful number, since it uses less digits than its factorization.

8894686690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457033.

The product of its (nonzero) digits is 35831808, while the sum is 64.

The square root of 8894686690 is about 94311.6466296714. The cubic root of 8894686690 is about 2071.9386173199.

The spelling of 8894686690 in words is "eight billion, eight hundred ninety-four million, six hundred eighty-six thousand, six hundred ninety".

Divisors: 1 2 5 10 163 326 815 1630 5456863 10913726 27284315 54568630 889468669 1778937338 4447343345 8894686690