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213103232201 = 1613132116077
BaseRepresentation
bin1100011001110111110…
…0010100010011001001
3202101001112022211220202
43012131330110103021
511442413411412301
6241522005501545
721252616405106
oct3063574242311
9671045284822
10213103232201
1182416245522
1235373a118b5
1317131bc6902
14a45843daad
1558239b866b
hex319df144c9

213103232201 has 4 divisors (see below), whose sum is σ = 213235349892. Its totient is φ = 212971114512.

The previous prime is 213103232161. The next prime is 213103232227. The reversal of 213103232201 is 102232301312.

213103232201 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.

It can be written as a sum of positive squares in 2 ways, for example, as 172187652025 + 40915580176 = 414955^2 + 202276^2 .

It is a cyclic number.

It is not a de Polignac number, because 213103232201 - 218 = 213102970057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213103232291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66056426 + ... + 66059651.

It is an arithmetic number, because the mean of its divisors is an integer number (53308837473).

Almost surely, 2213103232201 is an apocalyptic number.

It is an amenable number.

213103232201 is a deficient number, since it is larger than the sum of its proper divisors (132117691).

213103232201 is a wasteful number, since it uses less digits than its factorization.

213103232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132117690.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213103232201 its reverse (102232301312), we get a palindrome (315335533513).

The spelling of 213103232201 in words is "two hundred thirteen billion, one hundred three million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 1613 132116077 213103232201