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213023142223 = 1085919617197
BaseRepresentation
bin1100011001100100101…
…0110011000101001111
3202100211221121212010021
43012121022303011033
511442232411022343
6241510025123011
721250624555453
oct3063112630517
9670757555107
10213023142223
1182385012761
1235351029467
131711b4345a8
14a44b952663
15581b9480ed
hex31992b314f

213023142223 has 4 divisors (see below), whose sum is σ = 213042770280. Its totient is φ = 213003514168.

The previous prime is 213023142217. The next prime is 213023142287. The reversal of 213023142223 is 322241320312.

213023142223 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 not a de Polignac number, because 213023142223 - 25 = 213023142191 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 (213023142203) 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, 9797740 + ... + 9819457.

It is an arithmetic number, because the mean of its divisors is an integer number (53260692570).

Almost surely, 2213023142223 is an apocalyptic number.

213023142223 is a deficient number, since it is larger than the sum of its proper divisors (19628057).

213023142223 is a wasteful number, since it uses less digits than its factorization.

213023142223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628056.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213023142223 its reverse (322241320312), we get a palindrome (535264462535).

The spelling of 213023142223 in words is "two hundred thirteen billion, twenty-three million, one hundred forty-two thousand, two hundred twenty-three".

Divisors: 1 10859 19617197 213023142223