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201285079 is a prime number
BaseRepresentation
bin10111111111101…
…01110111010111
3112000202100012221
423333311313113
5403012110304
631550123211
74662615652
oct1377656727
9460670187
10201285079
11a3690506
12574b0507
13329171c8
141ca38899
1512a10054
hexbff5dd7

201285079 has 2 divisors, whose sum is σ = 201285080. Its totient is φ = 201285078.

The previous prime is 201285061. The next prime is 201285101. The reversal of 201285079 is 970582102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-201285079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201285179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100642539 + 100642540.

It is an arithmetic number, because the mean of its divisors is an integer number (100642540).

Almost surely, 2201285079 is an apocalyptic number.

201285079 is a deficient number, since it is larger than the sum of its proper divisors (1).

201285079 is an equidigital number, since it uses as much as digits as its factorization.

201285079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 201285079 is about 14187.4972775328. The cubic root of 201285079 is about 586.0534057723.

The spelling of 201285079 in words is "two hundred one million, two hundred eighty-five thousand, seventy-nine".