Search a number
-
+
2855013013 = 6614319233
BaseRepresentation
bin1010101000101100…
…0000101010010101
321100222012200120201
42222023000222111
521321340404023
61151144500501
7130515132046
oct25213005225
97328180521
102855013013
111235642596
1267817a731
1336664c318
141d12648cd
1511a9a4bad
hexaa2c0a95

2855013013 has 4 divisors (see below), whose sum is σ = 2859332908. Its totient is φ = 2850693120.

The previous prime is 2855013011. The next prime is 2855013041. The reversal of 2855013013 is 3103105582.

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 2594577969 + 260435044 = 50937^2 + 16138^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855013013 - 21 = 2855013011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855013011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2158956 + ... + 2160277.

It is an arithmetic number, because the mean of its divisors is an integer number (714833227).

Almost surely, 22855013013 is an apocalyptic number.

It is an amenable number.

2855013013 is a deficient number, since it is larger than the sum of its proper divisors (4319895).

2855013013 is an equidigital number, since it uses as much as digits as its factorization.

2855013013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319894.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2855013013 is about 53432.3218005731. The cubic root of 2855013013 is about 1418.6307327455.

Adding to 2855013013 its reverse (3103105582), we get a palindrome (5958118595).

The spelling of 2855013013 in words is "two billion, eight hundred fifty-five million, thirteen thousand, thirteen".

Divisors: 1 661 4319233 2855013013