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6806874066668 = 2213130901424359
BaseRepresentation
bin110001100001101100101…
…0011111000111011101100
3220002201201202110001121122
41203003121103320323230
51343010434230113133
622251011302320112
71301531453626664
oct143033123707354
926081652401548
106806874066668
112194862a57185
1291b274429038
133a4b684bb930
1419765108d1a4
15bc0e09ba498
hex630d94f8eec

6806874066668 has 12 divisors (see below), whose sum is σ = 12828339587280. Its totient is φ = 3141634184592.

The previous prime is 6806874066623. The next prime is 6806874066673. The reversal of 6806874066668 is 8666604786086.

It is a super-2 number, since 2×68068740666682 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65450712128 + ... + 65450712231.

It is an arithmetic number, because the mean of its divisors is an integer number (1069028298940).

Almost surely, 26806874066668 is an apocalyptic number.

It is an amenable number.

6806874066668 is a deficient number, since it is larger than the sum of its proper divisors (6021465520612).

6806874066668 is a wasteful number, since it uses less digits than its factorization.

6806874066668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130901424376 (or 130901424374 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 71.

The spelling of 6806874066668 in words is "six trillion, eight hundred six billion, eight hundred seventy-four million, sixty-six thousand, six hundred sixty-eight".

Divisors: 1 2 4 13 26 52 130901424359 261802848718 523605697436 1701718516667 3403437033334 6806874066668