68100213 has 4 divisors (see below), whose sum is σ = 90800288. Its totient is φ = 45400140.

The previous prime is 68100191. The next prime is 68100229. The reversal of 68100213 is 31200186.

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 not a de Polignac number, because 68100213 - 2¹⁰ = 68099189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68100213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68100233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11350033 + ... + 11350038.

It is an arithmetic number, because the mean of its divisors is an integer number (22700072).

Almost surely, 2^68100213 is an apocalyptic number.

It is an amenable number.

68100213 is a deficient number, since it is larger than the sum of its proper divisors (22700075).

68100213 is a wasteful number, since it uses less digits than its factorization.

68100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22700074.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 68100213 is about 8252.2853198372. The cubic root of 68100213 is about 408.3659190803.

Adding to 68100213 its reverse (31200186), we get a palindrome (99300399).

The spelling of 68100213 in words is "sixty-eight million, one hundred thousand, two hundred thirteen".