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201011201 = 347579283
BaseRepresentation
bin10111111101100…
…11000000000001
3112000020102112022
423332303000001
5402424324301
631540211225
74660365326
oct1376630001
9460212468
10201011201
11a3513766
1257399b15
133284c651
141c9a6b4d
15129a8d1b
hexbfb3001

201011201 has 4 divisors (see below), whose sum is σ = 201590832. Its totient is φ = 200431572.

The previous prime is 201011159. The next prime is 201011207. The reversal of 201011201 is 102110102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201011201 - 26 = 201011137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201011207) 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 in 3 ways as a sum of consecutive naturals, for example, 289295 + ... + 289988.

It is an arithmetic number, because the mean of its divisors is an integer number (50397708).

Almost surely, 2201011201 is an apocalyptic number.

It is an amenable number.

201011201 is a deficient number, since it is larger than the sum of its proper divisors (579631).

201011201 is an equidigital number, since it uses as much as digits as its factorization.

201011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579630.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 201011201 is about 14177.8419020668. The cubic root of 201011201 is about 585.7874811304.

Adding to 201011201 its reverse (102110102), we get a palindrome (303121303).

The spelling of 201011201 in words is "two hundred one million, eleven thousand, two hundred one".

Divisors: 1 347 579283 201011201