Search a number
-
+
6805205106 = 237473447419
BaseRepresentation
bin1100101011001111…
…10011000001110010
3122120021012020102120
412111213303001302
5102414113030411
63043135055110
7330432201060
oct62547630162
918507166376
106805205106
1129823a7357
12139b071496
13845b51bab
14487b31030
1529c68c106
hex1959f3072

6805205106 has 32 divisors (see below), whose sum is σ = 15885711360. Its totient is φ = 1902974736.

The previous prime is 6805205101. The next prime is 6805205203. The reversal of 6805205106 is 6015025086.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6805205101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1721736 + ... + 1725683.

It is an arithmetic number, because the mean of its divisors is an integer number (496428480).

Almost surely, 26805205106 is an apocalyptic number.

6805205106 is an abundant number, since it is smaller than the sum of its proper divisors (9080506254).

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

6805205106 is a wasteful number, since it uses less digits than its factorization.

6805205106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447478.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 6805205106 is about 82493.6670660239. The cubic root of 6805205106 is about 1895.0197463383.

The spelling of 6805205106 in words is "six billion, eight hundred five million, two hundred five thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 47 94 141 282 329 658 987 1974 3447419 6894838 10342257 20684514 24131933 48263866 72395799 144791598 162028693 324057386 486086079 972172158 1134200851 2268401702 3402602553 6805205106