Search a number
-
+
11203112201 = 17962587219
BaseRepresentation
bin10100110111100000…
…11110110100001001
31001220202122001210112
422123300132310021
5140420444042301
65051401324105
7544423611461
oct123360366411
931822561715
1011203112201
114829957016
122207a96635
131097031398
14783c62ba1
154588109bb
hex29bc1ed09

11203112201 has 4 divisors (see below), whose sum is σ = 11265699600. Its totient is φ = 11140524804.

The previous prime is 11203112111. The next prime is 11203112209. The reversal of 11203112201 is 10221130211.

11203112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10221130211 = 38926275399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11203112201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203112209) 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 in 3 ways as a sum of consecutive naturals, for example, 31293431 + ... + 31293788.

It is an arithmetic number, because the mean of its divisors is an integer number (2816424900).

Almost surely, 211203112201 is an apocalyptic number.

It is an amenable number.

11203112201 is a deficient number, since it is larger than the sum of its proper divisors (62587399).

11203112201 is an equidigital number, since it uses as much as digits as its factorization.

11203112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62587398.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11203112201 its reverse (10221130211), we get a palindrome (21424242412).

The spelling of 11203112201 in words is "eleven billion, two hundred three million, one hundred twelve thousand, two hundred one".

Divisors: 1 179 62587219 11203112201