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6820968902 = 211674627523
BaseRepresentation
bin1100101101000111…
…11011100111000110
3122121100212010021212
412112203323213012
5102432132001102
63044501011422
7331013164466
oct62643734706
918540763255
106820968902
112990293990
1213a43b3b72
138491b1097
14489c75ba6
1529dc52c52
hex1968fb9c6

6820968902 has 16 divisors (see below), whose sum is σ = 11328178752. Its totient is φ = 3054164520.

The previous prime is 6820968901. The next prime is 6820968919. The reversal of 6820968902 is 2098690286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820968901) 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 7 ways as a sum of consecutive naturals, for example, 2312288 + ... + 2315235.

It is an arithmetic number, because the mean of its divisors is an integer number (708011172).

Almost surely, 26820968902 is an apocalyptic number.

6820968902 is a deficient number, since it is larger than the sum of its proper divisors (4507209850).

6820968902 is a wasteful number, since it uses less digits than its factorization.

6820968902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627603.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 6820968902 is about 82589.1572907727. The cubic root of 6820968902 is about 1896.4818461986.

The spelling of 6820968902 in words is "six billion, eight hundred twenty million, nine hundred sixty-eight thousand, nine hundred two".

Divisors: 1 2 11 22 67 134 737 1474 4627523 9255046 50902753 101805506 310044041 620088082 3410484451 6820968902