Search a number
-
+
6804345894 = 236118591109
BaseRepresentation
bin1100101011001001…
…00001010000100110
3122120012120120210220
412111210201100212
5102413403032034
63043104425210
7330421662063
oct62544412046
918505516726
106804345894
11298196a865
12139a918206
13845910a98
14487989c6a
1529c56c749
hex195921426

6804345894 has 16 divisors (see below), whose sum is σ = 13831785840. Its totient is φ = 2230932960.

The previous prime is 6804345883. The next prime is 6804345901. The reversal of 6804345894 is 4985434086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9295189 + ... + 9295920.

It is an arithmetic number, because the mean of its divisors is an integer number (864486615).

Almost surely, 26804345894 is an apocalyptic number.

6804345894 is an abundant number, since it is smaller than the sum of its proper divisors (7027439946).

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

6804345894 is a wasteful number, since it uses less digits than its factorization.

6804345894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18591175.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The square root of 6804345894 is about 82488.4591564178. The cubic root of 6804345894 is about 1894.9399891421.

The spelling of 6804345894 in words is "six billion, eight hundred four million, three hundred forty-five thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 61 122 183 366 18591109 37182218 55773327 111546654 1134057649 2268115298 3402172947 6804345894