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6680681118 = 233123716317
BaseRepresentation
bin1100011100011001…
…10001101010011110
3122020120212202122000
412032030301222132
5102140223243433
63022530103130
7324360565266
oct61614615236
918216782560
106680681118
112919085671
12136541aaa6
13826102a67
144753987a6
15291791113
hex18e331a9e

6680681118 has 16 divisors (see below), whose sum is σ = 14845958160. Its totient is φ = 2226893688.

The previous prime is 6680681107. The next prime is 6680681123. The reversal of 6680681118 is 8111860866.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61858105 + ... + 61858212.

It is an arithmetic number, because the mean of its divisors is an integer number (927872385).

Almost surely, 26680681118 is an apocalyptic number.

6680681118 is an abundant number, since it is smaller than the sum of its proper divisors (8165277042).

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

6680681118 is a wasteful number, since it uses less digits than its factorization.

6680681118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123716328 (or 123716322 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 6680681118 is about 81735.4336747533. The cubic root of 6680681118 is about 1883.3899450826.

The spelling of 6680681118 in words is "six billion, six hundred eighty million, six hundred eighty-one thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 123716317 247432634 371148951 742297902 1113446853 2226893706 3340340559 6680681118