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212112330313 = 13234316497809
BaseRepresentation
bin1100010110001011100…
…0010100111001001001
3202021111110202211001211
43011202320110321021
511433401224032223
6241235411213121
721216225026242
oct3054270247111
9667443684054
10212112330313
1181a57976244
1235137ba71a1
1317004823930
14a3a29bdcc9
1557b69d2d0d
hex3162e14e49

212112330313 has 16 divisors (see below), whose sum is σ = 243903623040. Its totient is φ = 182927695104.

The previous prime is 212112330277. The next prime is 212112330343. The reversal of 212112330313 is 313033211212.

It is not a de Polignac number, because 212112330313 - 217 = 212112199241 is a prime.

It is a super-2 number, since 2×2121123303132 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212112330343) 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 15 ways as a sum of consecutive naturals, for example, 8236048 + ... + 8261761.

It is an arithmetic number, because the mean of its divisors is an integer number (15243976440).

Almost surely, 2212112330313 is an apocalyptic number.

212112330313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

212112330313 is a deficient number, since it is larger than the sum of its proper divisors (31791292727).

212112330313 is a wasteful number, since it uses less digits than its factorization.

212112330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16497888.

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

Adding to 212112330313 its reverse (313033211212), we get a palindrome (525145541525).

The spelling of 212112330313 in words is "two hundred twelve billion, one hundred twelve million, three hundred thirty thousand, three hundred thirteen".

Divisors: 1 13 23 43 299 559 989 12857 16497809 214471517 379449607 709405787 4932844891 9222275231 16316333101 212112330313