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212013113287 is a prime number
BaseRepresentation
bin1100010101110011110…
…1110101111111000111
3202021020120002001220011
43011130331311333013
511433200324111122
6241221504451051
721213611504623
oct3053475657707
9667216061804
10212013113287
1181a06969aa8
123510a919a87
1316cba0c5631
14a393754183
1557ace35377
hex315cf75fc7

212013113287 has 2 divisors, whose sum is σ = 212013113288. Its totient is φ = 212013113286.

The previous prime is 212013113267. The next prime is 212013113329. The reversal of 212013113287 is 782311310212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212013113287 - 27 = 212013113159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212013113237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006556643 + 106006556644.

It is an arithmetic number, because the mean of its divisors is an integer number (106006556644).

Almost surely, 2212013113287 is an apocalyptic number.

212013113287 is a deficient number, since it is larger than the sum of its proper divisors (1).

212013113287 is an equidigital number, since it uses as much as digits as its factorization.

212013113287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 212013113287 its reverse (782311310212), we get a palindrome (994324423499).

The spelling of 212013113287 in words is "two hundred twelve billion, thirteen million, one hundred thirteen thousand, two hundred eighty-seven".