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212052013 is a prime number
BaseRepresentation
bin11001010001110…
…10100000101101
3112210000100200021
430220322200231
5413241131023
633013002141
75153261305
oct1450724055
9483010607
10212052013
11a97748a8
125b023351
1334c16b84
142023c605
151393a35d
hexca3a82d

212052013 has 2 divisors, whose sum is σ = 212052014. Its totient is φ = 212052012.

The previous prime is 212051981. The next prime is 212052053. The reversal of 212052013 is 310250212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212051844 + 169 = 14562^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 212052013 - 25 = 212051981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212052053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106026006 + 106026007.

It is an arithmetic number, because the mean of its divisors is an integer number (106026007).

Almost surely, 2212052013 is an apocalyptic number.

It is an amenable number.

212052013 is a deficient number, since it is larger than the sum of its proper divisors (1).

212052013 is an equidigital number, since it uses as much as digits as its factorization.

212052013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 212052013 is about 14562.0058027732. The cubic root of 212052013 is about 596.3219558714.

The spelling of 212052013 in words is "two hundred twelve million, fifty-two thousand, thirteen".