[go: up one dir, main page]

Search a number
-
+
6686336866 = 211319804013
BaseRepresentation
bin1100011101000100…
…10110011101100010
3122020222112002212011
412032202112131202
5102143200234431
63023251223134
7324456632326
oct61642263542
918228462764
106686336866
112921298940
1213672a7aaa
13827333161
1447602b986
1529200bcb1
hex18e896762

6686336866 has 16 divisors (see below), whose sum is σ = 11294224128. Its totient is φ = 2941203600.

The previous prime is 6686336863. The next prime is 6686336887.

It is a happy number.

6686336866 is nontrivially palindromic in base 10.

6686336866 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6686336866.

It is not an unprimeable number, because it can be changed into a prime (6686336863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4901325 + ... + 4902688.

It is an arithmetic number, because the mean of its divisors is an integer number (705889008).

Almost surely, 26686336866 is an apocalyptic number.

6686336866 is a deficient number, since it is larger than the sum of its proper divisors (4607887262).

6686336866 is a wasteful number, since it uses less digits than its factorization.

6686336866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804057.

The product of its digits is 26873856, while the sum is 58.

The square root of 6686336866 is about 81770.0242509442. The cubic root of 6686336866 is about 1883.9212768542.

The spelling of 6686336866 in words is "six billion, six hundred eighty-six million, three hundred thirty-six thousand, eight hundred sixty-six".

Divisors: 1 2 11 22 31 62 341 682 9804013 19608026 107844143 215688286 303924403 607848806 3343168433 6686336866