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201205271 is a prime number
BaseRepresentation
bin10111111111000…
…10011000010111
3112000121021202002
423333202120113
5403002032041
631544305515
74662134201
oct1377423027
9460537662
10201205271
11a3636553
125747229b
13328b9a97
141ca17771
15129e659b
hexbfe2617

201205271 has 2 divisors, whose sum is σ = 201205272. Its totient is φ = 201205270.

The previous prime is 201205259. The next prime is 201205339. The reversal of 201205271 is 172502102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201205271 - 210 = 201204247 is a prime.

It is a super-3 number, since 3×2012052713 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201201271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100602635 + 100602636.

It is an arithmetic number, because the mean of its divisors is an integer number (100602636).

Almost surely, 2201205271 is an apocalyptic number.

201205271 is a deficient number, since it is larger than the sum of its proper divisors (1).

201205271 is an equidigital number, since it uses as much as digits as its factorization.

201205271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 201205271 is about 14184.6843814024. The cubic root of 201205271 is about 585.9759402967.

Adding to 201205271 its reverse (172502102), we get a palindrome (373707373).

The spelling of 201205271 in words is "two hundred one million, two hundred five thousand, two hundred seventy-one".