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212300113321 = 857247724753
BaseRepresentation
bin1100010110111000010…
…0101010010110101001
3202021222120010011221001
43011232010222112221
511434242312111241
6241310200115001
721223665121462
oct3055604522651
9667876104831
10212300113321
118204397440a
123518aa65a61
13170346c123a
14a3bd901d69
1557c8227431
hex316e12a5a9

212300113321 has 4 divisors (see below), whose sum is σ = 212547838932. Its totient is φ = 212052387712.

The previous prime is 212300113271. The next prime is 212300113351. The reversal of 212300113321 is 123311003212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125001138025 + 87298975296 = 353555^2 + 295464^2 .

It is a cyclic number.

It is not a de Polignac number, because 212300113321 - 29 = 212300112809 is a prime.

It is a super-2 number, since 2×2123001133212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212300113351) 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, 123861520 + ... + 123863233.

It is an arithmetic number, because the mean of its divisors is an integer number (53136959733).

Almost surely, 2212300113321 is an apocalyptic number.

It is an amenable number.

212300113321 is a deficient number, since it is larger than the sum of its proper divisors (247725611).

212300113321 is an equidigital number, since it uses as much as digits as its factorization.

212300113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247725610.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212300113321 its reverse (123311003212), we get a palindrome (335611116533).

The spelling of 212300113321 in words is "two hundred twelve billion, three hundred million, one hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 857 247724753 212300113321