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6684118131 = 32228039377
BaseRepresentation
bin1100011100110011…
…11000110001110011
3122020211100101022210
412032121320301303
5102142113240011
63023131503203
7324432031605
oct61631706163
918224311283
106684118131
112920012979
1213665b7b03
13826a372b2
14475a11175
15291c1e6a6
hex18e678c73

6684118131 has 4 divisors (see below), whose sum is σ = 8912157512. Its totient is φ = 4456078752.

The previous prime is 6684118121. The next prime is 6684118141. The reversal of 6684118131 is 1318114866.

6684118131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6684118121) and next prime (6684118141).

It is not a de Polignac number, because 6684118131 - 214 = 6684101747 is a prime.

It is a super-2 number, since 2×66841181312 = 89354870378325866322, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6684118131.

It is not an unprimeable number, because it can be changed into a prime (6684118121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114019686 + ... + 1114019691.

It is an arithmetic number, because the mean of its divisors is an integer number (2228039378).

Almost surely, 26684118131 is an apocalyptic number.

6684118131 is a deficient number, since it is larger than the sum of its proper divisors (2228039381).

6684118131 is a wasteful number, since it uses less digits than its factorization.

6684118131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228039380.

The product of its digits is 27648, while the sum is 39.

The square root of 6684118131 is about 81756.4562037763. The cubic root of 6684118131 is about 1883.7128725322.

The spelling of 6684118131 in words is "six billion, six hundred eighty-four million, one hundred eighteen thousand, one hundred thirty-one".

Divisors: 1 3 2228039377 6684118131