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213424223111 = 11133117145753
BaseRepresentation
bin1100011011000100010…
…0110011001110000111
3202101212220022212122222
43012301010303032013
511444043100114421
6242013513442555
721263564651501
oct3066104631607
9671786285588
10213424223111
1182570456770
123544341045b
1317183563b68
14a488d18d71
155841c71cab
hex31b1133387

213424223111 has 8 divisors (see below), whose sum is σ = 232829771664. Its totient is φ = 194019232320.

The previous prime is 213424223069. The next prime is 213424223113. The reversal of 213424223111 is 111322424312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213424223111 - 214 = 213424206727 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 (213424223113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391411 + ... + 1537163.

It is an arithmetic number, because the mean of its divisors is an integer number (29103721458).

Almost surely, 2213424223111 is an apocalyptic number.

213424223111 is a deficient number, since it is larger than the sum of its proper divisors (19405548553).

213424223111 is a wasteful number, since it uses less digits than its factorization.

213424223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278881.

The product of its digits is 2304, while the sum is 26.

Adding to 213424223111 its reverse (111322424312), we get a palindrome (324746647423).

The spelling of 213424223111 in words is "two hundred thirteen billion, four hundred twenty-four million, two hundred twenty-three thousand, one hundred eleven".

Divisors: 1 11 133117 145753 1464287 1603283 19402202101 213424223111