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201050387 is a prime number
BaseRepresentation
bin10111111101111…
…00100100010011
3112000022102021122
423332330210103
5402432103022
631541112455
74660620506
oct1376744423
9460272248
10201050387
11a354014a
12573b872b
1332864435
141c9b713d
15129b5742
hexbfbc913

201050387 has 2 divisors, whose sum is σ = 201050388. Its totient is φ = 201050386.

The previous prime is 201050363. The next prime is 201050389. The reversal of 201050387 is 783050102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201050387 - 26 = 201050323 is a prime.

It is a super-2 number, since 2×2010503872 = 80842516225699538, which contains 22 as substring.

Together with 201050389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201050389) 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, 100525193 + 100525194.

It is an arithmetic number, because the mean of its divisors is an integer number (100525194).

Almost surely, 2201050387 is an apocalyptic number.

201050387 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050387 is an equidigital number, since it uses as much as digits as its factorization.

201050387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 201050387 is about 14179.2237798830. The cubic root of 201050387 is about 585.8255439791.

The spelling of 201050387 in words is "two hundred one million, fifty thousand, three hundred eighty-seven".