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213230210111 = 2039531045487
BaseRepresentation
bin1100011010010110000…
…0101100110000111111
3202101101101020222212022
43012211200230300333
511443143413210421
6241542343230355
721256020611102
oct3064540546077
9671341228768
10213230210111
1182480992946
12353aa4483bb
13171522c4979
14a46b254739
15582ebeb7ab
hex31a582cc3f

213230210111 has 4 divisors (see below), whose sum is σ = 213231459552. Its totient is φ = 213228960672.

The previous prime is 213230210059. The next prime is 213230210131. The reversal of 213230210111 is 111012032312.

213230210111 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213230210111 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 213230210111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230210131) 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, 318791 + ... + 726696.

It is an arithmetic number, because the mean of its divisors is an integer number (53307864888).

Almost surely, 2213230210111 is an apocalyptic number.

213230210111 is a deficient number, since it is larger than the sum of its proper divisors (1249441).

213230210111 is a wasteful number, since it uses less digits than its factorization.

213230210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249440.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213230210111 its reverse (111012032312), we get a palindrome (324242242423).

The spelling of 213230210111 in words is "two hundred thirteen billion, two hundred thirty million, two hundred ten thousand, one hundred eleven".

Divisors: 1 203953 1045487 213230210111