Search a number
-
+
6807286369 = 13242719431
BaseRepresentation
bin1100101011011111…
…01111001001100001
3122120102002222101101
412111233233021201
5102420131130434
63043251434401
7330455656642
oct62557571141
918512088341
106807286369
112983599004
12139b8b5a01
13846400300
144881136c9
1529c94db14
hex195bef261

6807286369 has 12 divisors (see below), whose sum is σ = 7373711232. Its totient is φ = 6281511600.

The previous prime is 6807286361. The next prime is 6807286403. The reversal of 6807286369 is 9636827086.

It is a happy number.

It is not a de Polignac number, because 6807286369 - 23 = 6807286361 is a prime.

It is a super-2 number, since 2×68072863692 = 92678295419146408322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6807286361) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 717084 + ... + 726514.

It is an arithmetic number, because the mean of its divisors is an integer number (614475936).

Almost surely, 26807286369 is an apocalyptic number.

It is an amenable number.

6807286369 is a deficient number, since it is larger than the sum of its proper divisors (566424863).

6807286369 is a wasteful number, since it uses less digits than its factorization.

6807286369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728 (or 13715 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The square root of 6807286369 is about 82506.2807851620. The cubic root of 6807286369 is about 1895.2129137945.

The spelling of 6807286369 in words is "six billion, eight hundred seven million, two hundred eighty-six thousand, three hundred sixty-nine".

Divisors: 1 13 169 4271 9431 55523 122603 721799 1593839 40279801 523637413 6807286369