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212213422213 = 13237330113229
BaseRepresentation
bin1100010110100011100…
…1111101100010000101
3202021202111222211002021
43011220321331202011
511434103114002323
6241253422043141
721221563216642
oct3055071754205
9667674884067
10212213422213
1181aa9a43071
1235165a194b1
131701c75a420
14a3b21b6dc9
1557c080105d
hex3168e7d885

212213422213 has 32 divisors (see below), whose sum is σ = 241895888640. Its totient is φ = 184687050240.

The previous prime is 212213422193. The next prime is 212213422217. The reversal of 212213422213 is 312224312212.

212213422213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212213422213 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 (212213422217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65719483 + ... + 65722711.

It is an arithmetic number, because the mean of its divisors is an integer number (7559246520).

Almost surely, 2212213422213 is an apocalyptic number.

212213422213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212213422213 is a deficient number, since it is larger than the sum of its proper divisors (29682466427).

212213422213 is a wasteful number, since it uses less digits than its factorization.

212213422213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349.

The product of its digits is 2304, while the sum is 25.

Adding to 212213422213 its reverse (312224312212), we get a palindrome (524437734425).

The spelling of 212213422213 in words is "two hundred twelve billion, two hundred thirteen million, four hundred twenty-two thousand, two hundred thirteen".

Divisors: 1 13 23 73 299 949 1679 3011 3229 21827 39143 41977 69253 74267 219803 235717 900289 965471 2857439 3064321 5055469 5421491 9722519 65721097 70479383 126392747 223617937 709743887 2907033181 9226670531 16324109401 212213422213