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2213211313 = 2339498761
BaseRepresentation
bin1000001111101010…
…1110110010110001
312201020112210011101
42003322232302301
514013040230223
61003340444401
7105562662055
oct20372566261
95636483141
102213211313
11a36333465
12519249701
132936a8ac1
1416dd19c65
15ce47b4ad
hex83eaecb1

2213211313 has 4 divisors (see below), whose sum is σ = 2222710308. Its totient is φ = 2203712320.

The previous prime is 2213211293. The next prime is 2213211337. The reversal of 2213211313 is 3131123122.

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 1175598369 + 1037612944 = 34287^2 + 32212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213211313 - 25 = 2213211281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213211383) 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, 4749148 + ... + 4749613.

It is an arithmetic number, because the mean of its divisors is an integer number (555677577).

Almost surely, 22213211313 is an apocalyptic number.

It is an amenable number.

2213211313 is a deficient number, since it is larger than the sum of its proper divisors (9498995).

2213211313 is an equidigital number, since it uses as much as digits as its factorization.

2213211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498994.

The product of its digits is 216, while the sum is 19.

The square root of 2213211313 is about 47044.7798698219. The cubic root of 2213211313 is about 1303.1896651067.

Adding to 2213211313 its reverse (3131123122), we get a palindrome (5344334435).

The spelling of 2213211313 in words is "two billion, two hundred thirteen million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 233 9498761 2213211313