Search a number
-
+
202432334213 = 404949995637
BaseRepresentation
bin1011110010000111101…
…0000100100110000101
3201100111212011001202202
42330201322010212011
511304040134143323
6232555055244245
720424314310254
oct2744172044605
9640455131682
10202432334213
117893a85896a
1233296219685
13161212193a5
149b2515a79b
1553ebc85d28
hex2f21e84985

202432334213 has 4 divisors (see below), whose sum is σ = 202482333900. Its totient is φ = 202382334528.

The previous prime is 202432334173. The next prime is 202432334233. The reversal of 202432334213 is 312433234202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312433234202 = 2156216617101.

It can be written as a sum of positive squares in 2 ways, for example, as 24181183009 + 178251151204 = 155503^2 + 422198^2 .

It is a cyclic number.

It is not a de Polignac number, because 202432334213 - 230 = 201358592389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202432334233) 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, 24993770 + ... + 25001867.

It is an arithmetic number, because the mean of its divisors is an integer number (50620583475).

Almost surely, 2202432334213 is an apocalyptic number.

It is an amenable number.

202432334213 is a deficient number, since it is larger than the sum of its proper divisors (49999687).

202432334213 is an equidigital number, since it uses as much as digits as its factorization.

202432334213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49999686.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 202432334213 its reverse (312433234202), we get a palindrome (514865568415).

The spelling of 202432334213 in words is "two hundred two billion, four hundred thirty-two million, three hundred thirty-four thousand, two hundred thirteen".

Divisors: 1 4049 49995637 202432334213