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213043013331223 = 9531493149731987
BaseRepresentation
bin110000011100001011110001…
…001000011010100100010111
31000221022201020220022012200111
4300130023301020122210113
5210410444042403044343
62033034335331023451
762605564321345225
oct6034136110324427
91027281226265614
10213043013331223
1161978042007469
121ba891b613ab87
1391b4b4039ac7a
143a874a04cdb15
151996b0ea36c9d
hexc1c2f121a917

213043013331223 has 8 divisors (see below), whose sum is σ = 213409408928688. Its totient is φ = 212676917202624.

The previous prime is 213043013331191. The next prime is 213043013331227. The reversal of 213043013331223 is 322133310340312.

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 213043013331223 - 25 = 213043013331191 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 (213043013331227) 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, 73443165 + ... + 76288822.

It is an arithmetic number, because the mean of its divisors is an integer number (26676176116086).

Almost surely, 2213043013331223 is an apocalyptic number.

213043013331223 is a deficient number, since it is larger than the sum of its proper divisors (366395597465).

213043013331223 is a wasteful number, since it uses less digits than its factorization.

213043013331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149734433.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 213043013331223 its reverse (322133310340312), we get a palindrome (535176323671535).

The spelling of 213043013331223 in words is "two hundred thirteen trillion, forty-three billion, thirteen million, three hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 953 1493 1422829 149731987 142694583611 223549856591 213043013331223