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212213133013 = 730316161859
BaseRepresentation
bin1100010110100011100…
…0110110111011010101
3202021202111110010101011
43011220320312323111
511434103030224023
6241253411532221
721221560603540
oct3055070667325
9667674403334
10212213133013
1181aa9865862
12351658ba071
131701c6888bb
14a3b213d857
1557c079550d
hex3168e36ed5

212213133013 has 4 divisors (see below), whose sum is σ = 242529294880. Its totient is φ = 181896971148.

The previous prime is 212213133001. The next prime is 212213133019. The reversal of 212213133013 is 310331312212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212213133013 - 233 = 203623198421 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 (212213133019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15158080923 + ... + 15158080936.

It is an arithmetic number, because the mean of its divisors is an integer number (60632323720).

Almost surely, 2212213133013 is an apocalyptic number.

It is an amenable number.

212213133013 is a deficient number, since it is larger than the sum of its proper divisors (30316161867).

212213133013 is an equidigital number, since it uses as much as digits as its factorization.

212213133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30316161866.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212213133013 its reverse (310331312212), we get a palindrome (522544445225).

The spelling of 212213133013 in words is "two hundred twelve billion, two hundred thirteen million, one hundred thirty-three thousand, thirteen".

Divisors: 1 7 30316161859 212213133013