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6682681854 = 2322335932687
BaseRepresentation
bin1100011100101000…
…11010000111111110
3122020201122102010100
412032110122013332
5102141231304404
63023041021530
7324413600322
oct61624320776
918221572110
106682681854
11291a221872
1213660248a6
13826653624
14475759982
15291a38d39
hex18e51a1fe

6682681854 has 48 divisors (see below), whose sum is σ = 14571228672. Its totient is φ = 2213435904.

The previous prime is 6682681847. The next prime is 6682681879. The reversal of 6682681854 is 4581862866.

It is a self number, because there is not a number n which added to its sum of digits gives 6682681854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485699 + ... + 2488385.

It is an arithmetic number, because the mean of its divisors is an integer number (303567264).

Almost surely, 26682681854 is an apocalyptic number.

6682681854 is an abundant number, since it is smaller than the sum of its proper divisors (7888546818).

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

6682681854 is a wasteful number, since it uses less digits than its factorization.

6682681854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3518 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 6682681854 is about 81747.6718567569. The cubic root of 6682681854 is about 1883.5779393852.

The spelling of 6682681854 in words is "six billion, six hundred eighty-two million, six hundred eighty-one thousand, eight hundred fifty-four".

Divisors: 1 2 3 6 9 18 233 466 593 699 1186 1398 1779 2097 2687 3558 4194 5337 5374 8061 10674 16122 24183 48366 138169 276338 414507 626071 829014 1243521 1252142 1593391 1878213 2487042 3186782 3756426 4780173 5634639 9560346 11269278 14340519 28681038 371260103 742520206 1113780309 2227560618 3341340927 6682681854