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8686116868 = 22111315185519
BaseRepresentation
bin10000001011011101…
…11010000000000100
3211102100110110022011
420011232322000010
5120242121214433
63553525344004
7425151526612
oct100556720004
924370413264
108686116868
1137580a5190
121824b68004
13a85731330
145c586a6b2
1535c8793cd
hex205bba004

8686116868 has 24 divisors (see below), whose sum is σ = 17858171520. Its totient is φ = 3644524320.

The previous prime is 8686116853. The next prime is 8686116871.

8686116868 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7592188 + ... + 7593331.

It is an arithmetic number, because the mean of its divisors is an integer number (744090480).

Almost surely, 28686116868 is an apocalyptic number.

It is an amenable number.

8686116868 is an abundant number, since it is smaller than the sum of its proper divisors (9172054652).

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

8686116868 is a wasteful number, since it uses less digits than its factorization.

8686116868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185547 (or 15185545 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 58.

The square root of 8686116868 is about 93199.3394182598. The cubic root of 8686116868 is about 2055.6155269435.

The spelling of 8686116868 in words is "eight billion, six hundred eighty-six million, one hundred sixteen thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 15185519 30371038 60742076 167040709 197411747 334081418 394823494 668162836 789646988 2171529217 4343058434 8686116868