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2213111273 is a prime number
BaseRepresentation
bin1000001111101001…
…0110010111101001
312201020100200221012
42003322112113221
514013024030043
61003334353305
7105562064312
oct20372262751
95636320835
102213111273
11a3627528a
125191bb835
132936723c9
1416dcd1609
15ce45ba18
hex83e965e9

2213111273 has 2 divisors, whose sum is σ = 2213111274. Its totient is φ = 2213111272.

The previous prime is 2213111239. The next prime is 2213111287. The reversal of 2213111273 is 3721113122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1537267264 + 675844009 = 39208^2 + 25997^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213111273 - 26 = 2213111209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2213111213) 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 as a sum of consecutive naturals, namely, 1106555636 + 1106555637.

It is an arithmetic number, because the mean of its divisors is an integer number (1106555637).

Almost surely, 22213111273 is an apocalyptic number.

It is an amenable number.

2213111273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213111273 is an equidigital number, since it uses as much as digits as its factorization.

2213111273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 23.

The square root of 2213111273 is about 47043.7166155056. The cubic root of 2213111273 is about 1303.1700295274.

Adding to 2213111273 its reverse (3721113122), we get a palindrome (5934224395).

The spelling of 2213111273 in words is "two billion, two hundred thirteen million, one hundred eleven thousand, two hundred seventy-three".