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212010133 is a prime number
BaseRepresentation
bin11001010001100…
…00010010010101
3112202221020020011
430220300102111
5413233311013
633012040221
75153025226
oct1450602225
9482836204
10212010133
11a9746395
125b003071
1334c00aaa
142022b24d
151392cc3d
hexca30495

212010133 has 2 divisors, whose sum is σ = 212010134. Its totient is φ = 212010132.

The previous prime is 212010119. The next prime is 212010157. The reversal of 212010133 is 331010212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168013444 + 43996689 = 12962^2 + 6633^2 .

It is a cyclic number.

It is not a de Polignac number, because 212010133 - 25 = 212010101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212010173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005066 + 106005067.

It is an arithmetic number, because the mean of its divisors is an integer number (106005067).

Almost surely, 2212010133 is an apocalyptic number.

It is an amenable number.

212010133 is a deficient number, since it is larger than the sum of its proper divisors (1).

212010133 is an equidigital number, since it uses as much as digits as its factorization.

212010133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212010133 is about 14560.5677430518. The cubic root of 212010133 is about 596.2826956801.

Adding to 212010133 its reverse (331010212), we get a palindrome (543020345).

The spelling of 212010133 in words is "two hundred twelve million, ten thousand, one hundred thirty-three".