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838768382033 = 4845771730929
BaseRepresentation
bin11000011010010100111…
…11011101000001010001
32222012000012200121020212
430031022133131001101
5102220244201211113
61441154101213505
7114412314416621
oct14151237350121
92865005617225
10838768382033
112a37a0980a4a
12116685a01295
1361131b171ba
142c84d132881
1516c41ae50a8
hexc34a7dd051

838768382033 has 4 divisors (see below), whose sum is σ = 838770597540. Its totient is φ = 838766166528.

The previous prime is 838768382017. The next prime is 838768382041. The reversal of 838768382033 is 330283867838.

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

It can be written as a sum of positive squares in 2 ways, for example, as 390435023104 + 448333358929 = 624848^2 + 669577^2 .

It is a cyclic number.

It is not a de Polignac number, because 838768382033 - 24 = 838768382017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838768382063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380888 + ... + 1350041.

It is an arithmetic number, because the mean of its divisors is an integer number (209692649385).

Almost surely, 2838768382033 is an apocalyptic number.

It is an amenable number.

838768382033 is a deficient number, since it is larger than the sum of its proper divisors (2215507).

838768382033 is a wasteful number, since it uses less digits than its factorization.

838768382033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215506.

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 838768382033 in words is "eight hundred thirty-eight billion, seven hundred sixty-eight million, three hundred eighty-two thousand, thirty-three".

Divisors: 1 484577 1730929 838768382033