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6808228086 = 2311195429209
BaseRepresentation
bin1100101011100110…
…10101000011110110
3122120110212211011210
412111303111003312
5102420401244321
63043323542250
7330466661322
oct62563250366
918513784153
106808228086
112984081590
1213a008a986
1384666cb3a
144882ba982
1529ca87b76
hex195cd50f6

6808228086 has 32 divisors (see below), whose sum is σ = 15636124800. Its totient is φ = 1954514880.

The previous prime is 6808228081. The next prime is 6808228087.

6808228086 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808228081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2713351 + ... + 2715858.

It is an arithmetic number, because the mean of its divisors is an integer number (488628900).

Almost surely, 26808228086 is an apocalyptic number.

6808228086 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6808228086 is an abundant number, since it is smaller than the sum of its proper divisors (8827896714).

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

6808228086 is a wasteful number, since it uses less digits than its factorization.

6808228086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429244.

The product of its (nonzero) digits is 589824, while the sum is 48.

The square root of 6808228086 is about 82511.9875290857. The cubic root of 6808228086 is about 1895.3003040715.

The spelling of 6808228086 in words is "six billion, eight hundred eight million, two hundred twenty-eight thousand, eighty-six".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 5429209 10858418 16287627 32575254 59721299 103154971 119442598 179163897 206309942 309464913 358327794 618929826 1134704681 2269409362 3404114043 6808228086