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6804678387 = 313174478933
BaseRepresentation
bin1100101011001011…
…10010011011110011
3122120020012110220110
412111211302123303
5102413444202022
63043115512403
7330424545333
oct62545623363
918506173813
106804678387
112982077651
12139aa58703
138459c9220
14487a350c3
1529c5d600c
hex1959726f3

6804678387 has 8 divisors (see below), whose sum is σ = 9770820304. Its totient is φ = 4187494368.

The previous prime is 6804678379. The next prime is 6804678389. The reversal of 6804678387 is 7838764086.

6804678387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6804678387 - 23 = 6804678379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6804678389) 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, 87239428 + ... + 87239505.

It is an arithmetic number, because the mean of its divisors is an integer number (1221352538).

Almost surely, 26804678387 is an apocalyptic number.

6804678387 is a deficient number, since it is larger than the sum of its proper divisors (2966141917).

6804678387 is a wasteful number, since it uses less digits than its factorization.

6804678387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174478949.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The square root of 6804678387 is about 82490.4745228199. The cubic root of 6804678387 is about 1894.9708539271.

The spelling of 6804678387 in words is "six billion, eight hundred four million, six hundred seventy-eight thousand, three hundred eighty-seven".

Divisors: 1 3 13 39 174478933 523436799 2268226129 6804678387