Search a number
-
+
6808107860 = 2252911738117
BaseRepresentation
bin1100101011100101…
…10111101101010100
3122120110122201020222
412111302313231110
5102420333422420
63043321213512
7330465650651
oct62562675524
918513581228
106808107860
112983aaa224
1213a0031298
1384662a1b8
14488288c28
1529ca62225
hex195cb7b54

6808107860 has 24 divisors (see below), whose sum is σ = 14790028680. Its totient is φ = 2629337984.

The previous prime is 6808107833. The next prime is 6808107883. The reversal of 6808107860 is 687018086.

It can be written as a sum of positive squares in 4 ways, for example, as 16370116 + 6791737744 = 4046^2 + 82412^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5868479 + ... + 5869638.

It is an arithmetic number, because the mean of its divisors is an integer number (616251195).

Almost surely, 26808107860 is an apocalyptic number.

It is an amenable number.

6808107860 is an abundant number, since it is smaller than the sum of its proper divisors (7981920820).

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

6808107860 is a wasteful number, since it uses less digits than its factorization.

6808107860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11738155 (or 11738153 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 6808107860 is about 82511.2589893040. The cubic root of 6808107860 is about 1895.2891476829.

The spelling of 6808107860 in words is "six billion, eight hundred eight million, one hundred seven thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 11738117 23476234 46952468 58690585 117381170 234762340 340405393 680810786 1361621572 1702026965 3404053930 6808107860