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212213001223 = 1753235530523
BaseRepresentation
bin1100010110100011100…
…0010110110000000111
3202021202111012102121001
43011220320112300013
511434103012014343
6241253405034131
721221556514366
oct3055070266007
9667674172531
10212213001223
1181aa9785843
1235165855947
131701c640912
14a3b21077dd
1557c076b44d
hex3168e16c07

212213001223 has 8 divisors (see below), whose sum is σ = 228935669328. Its totient is φ = 195961394304.

The previous prime is 212213001181. The next prime is 212213001263. The reversal of 212213001223 is 322100312212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212213001223 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 212213001223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213001263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117764361 + ... + 117766162.

It is an arithmetic number, because the mean of its divisors is an integer number (28616958666).

Almost surely, 2212213001223 is an apocalyptic number.

212213001223 is a deficient number, since it is larger than the sum of its proper divisors (16722668105).

212213001223 is a wasteful number, since it uses less digits than its factorization.

212213001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235530593.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212213001223 its reverse (322100312212), we get a palindrome (534313313435).

The spelling of 212213001223 in words is "two hundred twelve billion, two hundred thirteen million, one thousand, two hundred twenty-three".

Divisors: 1 17 53 901 235530523 4004018891 12483117719 212213001223