Search a number
-
+
13330321013 = 20296569897
BaseRepresentation
bin11000110101000110…
…01000111001110101
31021102000100110201002
430122203020321311
5204300030233023
610042431013045
7651223600442
oct143243107165
937360313632
1013330321013
115720689529
12270036a185
131345957919
149065929c9
1553044eb28
hex31a8c8e75

13330321013 has 4 divisors (see below), whose sum is σ = 13336892940. Its totient is φ = 13323749088.

The previous prime is 13330321003. The next prime is 13330321019. The reversal of 13330321013 is 31012303331.

13330321013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31012303331 = 149392075929.

It can be written as a sum of positive squares in 2 ways, for example, as 12295926769 + 1034394244 = 110887^2 + 32162^2 .

It is a cyclic number.

It is not a de Polignac number, because 13330321013 - 212 = 13330316917 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 (13330321019) 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 3 ways as a sum of consecutive naturals, for example, 3282920 + ... + 3286977.

It is an arithmetic number, because the mean of its divisors is an integer number (3334223235).

Almost surely, 213330321013 is an apocalyptic number.

It is an amenable number.

13330321013 is a deficient number, since it is larger than the sum of its proper divisors (6571927).

13330321013 is an equidigital number, since it uses as much as digits as its factorization.

13330321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571926.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13330321013 its reverse (31012303331), we get a palindrome (44342624344).

The spelling of 13330321013 in words is "thirteen billion, three hundred thirty million, three hundred twenty-one thousand, thirteen".

Divisors: 1 2029 6569897 13330321013