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212330011211 = 475021899753
BaseRepresentation
bin1100010110111111011…
…0101101101001001011
3202022001122101011010022
43011233312231221023
511434322440324321
6241313145011055
721224510213363
oct3055766555113
9668048334108
10212330011211
118205983510a
1235198a83a8b
131703a95b8b6
14a3c38859a3
1557cab80dab
hex316fdada4b

212330011211 has 8 divisors (see below), whose sum is σ = 216891100224. Its totient is φ = 207770731840.

The previous prime is 212330011177. The next prime is 212330011247. The reversal of 212330011211 is 112110033212.

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 212330011211 - 210 = 212330010187 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 212330011211.

It is not an unprimeable number, because it can be changed into a prime (212330011811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213890 + ... + 685863.

It is an arithmetic number, because the mean of its divisors is an integer number (27111387528).

Almost surely, 2212330011211 is an apocalyptic number.

212330011211 is a deficient number, since it is larger than the sum of its proper divisors (4561089013).

212330011211 is an equidigital number, since it uses as much as digits as its factorization.

212330011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904821.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212330011211 its reverse (112110033212), we get a palindrome (324440044423).

The spelling of 212330011211 in words is "two hundred twelve billion, three hundred thirty million, eleven thousand, two hundred eleven".

Divisors: 1 47 5021 235987 899753 42288391 4517659813 212330011211