Search a number
-
+
22013230009 = 41536908049
BaseRepresentation
bin10100100000000101…
…110011101110111001
32002211010202221122011
4110200011303232321
5330040341330014
614040203525521
71406336240101
oct244005635671
962733687564
1022013230009
119376992581
1243242298a1
1320ca804ab4
1410cb826201
1588c8937c4
hex520173bb9

22013230009 has 4 divisors (see below), whose sum is σ = 22550138100. Its totient is φ = 21476321920.

The previous prime is 22013229989. The next prime is 22013230021. The reversal of 22013230009 is 90003231022.

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 996349225 + 21016880784 = 31565^2 + 144972^2 .

It is a cyclic number.

It is not a de Polignac number, because 22013230009 - 225 = 21979675577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22013230409) 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, 268453984 + ... + 268454065.

It is an arithmetic number, because the mean of its divisors is an integer number (5637534525).

Almost surely, 222013230009 is an apocalyptic number.

It is an amenable number.

22013230009 is a deficient number, since it is larger than the sum of its proper divisors (536908091).

22013230009 is an equidigital number, since it uses as much as digits as its factorization.

22013230009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536908090.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 22013230009 in words is "twenty-two billion, thirteen million, two hundred thirty thousand, nine".

Divisors: 1 41 536908049 22013230009