Search a number
-
+
210201101200201 = 1170711795501031
BaseRepresentation
bin101111110010110101000001…
…111101111110101101001001
31000120021000210011020202120211
4233302311001331332231021
5210022413323401401301
62023021015223121121
762163346145661256
oct5762650175765511
91016230704222524
10210201101200201
1160a81871772581
121b6aa46b5a31a1
139039b56917607
1439c9b051a642d
151947c2de78051
hexbf2d41f7eb49

210201101200201 has 4 divisors (see below), whose sum is σ = 210202896818304. Its totient is φ = 210199305582100.

The previous prime is 210201101200177. The next prime is 210201101200231. The reversal of 210201101200201 is 102002101102012.

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 210201101200201 - 27 = 210201101200073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210201101200231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897633445 + ... + 897867586.

It is an arithmetic number, because the mean of its divisors is an integer number (52550724204576).

Almost surely, 2210201101200201 is an apocalyptic number.

It is an amenable number.

210201101200201 is a deficient number, since it is larger than the sum of its proper divisors (1795618103).

210201101200201 is a wasteful number, since it uses less digits than its factorization.

210201101200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795618102.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210201101200201 its reverse (102002101102012), we get a palindrome (312203202302213).

The spelling of 210201101200201 in words is "two hundred ten trillion, two hundred one billion, one hundred one million, two hundred thousand, two hundred one".

Divisors: 1 117071 1795501031 210201101200201