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2012020271 is a prime number
BaseRepresentation
bin111011111101100…
…1111111000101111
312012012222012221022
41313323033320233
513110034122041
6531352324355
7100600614212
oct16773177057
95165865838
102012020271
11942807678
124819a36bb
13260ac5651
14151307779
15bb98924b
hex77ecfe2f

2012020271 has 2 divisors, whose sum is σ = 2012020272. Its totient is φ = 2012020270.

The previous prime is 2012020237. The next prime is 2012020273. The reversal of 2012020271 is 1720202102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012020271 - 214 = 2012003887 is a prime.

Together with 2012020273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012020273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006010135 + 1006010136.

It is an arithmetic number, because the mean of its divisors is an integer number (1006010136).

Almost surely, 22012020271 is an apocalyptic number.

2012020271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012020271 is an equidigital number, since it uses as much as digits as its factorization.

2012020271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 2012020271 is about 44855.5489432467. The cubic root of 2012020271 is about 1262.4401087296.

Adding to 2012020271 its reverse (1720202102), we get a palindrome (3732222373).

The spelling of 2012020271 in words is "two billion, twelve million, twenty thousand, two hundred seventy-one".