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6831664928 = 2511193183397
BaseRepresentation
bin1100101110011001…
…01110111100100000
3122122002222112110222
412113030232330200
5102442401234203
63045522142212
7331203123314
oct62714567440
918562875428
106831664928
112996329a80
1213a7ab1968
1384b4876aa
1448b45bb44
1529eb67038
hex19732ef20

6831664928 has 192 divisors, whose sum is σ = 16175738880. Its totient is φ = 2805580800.

The previous prime is 6831664823. The next prime is 6831664951. The reversal of 6831664928 is 8294661386.

It is a self number, because there is not a number n which added to its sum of digits gives 6831664928.

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 31 ways as a sum of consecutive naturals, for example, 17208026 + ... + 17208422.

It is an arithmetic number, because the mean of its divisors is an integer number (84248640).

Almost surely, 26831664928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6831664928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8087869440).

6831664928 is an abundant number, since it is smaller than the sum of its proper divisors (9344073952).

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

6831664928 is a wasteful number, since it uses less digits than its factorization.

6831664928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 543 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 53.

The square root of 6831664928 is about 82653.8863454103. The cubic root of 6831664928 is about 1897.4726255495.

The spelling of 6831664928 in words is "six billion, eight hundred thirty-one million, six hundred sixty-four thousand, nine hundred twenty-eight".