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212333212313 = 19611391318013
BaseRepresentation
bin1100010111000000001…
…0111011001010011001
3202022001212101210012122
43011300002323022121
511434324300243223
6241313341351025
721224546345135
oct3056002731231
9668055353178
10212333212313
1182060621152
1235199b68475
131703b50c941
14a3c407a3c5
1557cb0b45c8
hex31700bb299

212333212313 has 16 divisors (see below), whose sum is σ = 228807230400. Its totient is φ = 196436508480.

The previous prime is 212333212309. The next prime is 212333212319. The reversal of 212333212313 is 313212333212.

It is a cyclic number.

It is not a de Polignac number, because 212333212313 - 22 = 212333212309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212333212319) 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, 497906 + ... + 820107.

It is an arithmetic number, because the mean of its divisors is an integer number (14300451900).

Almost surely, 2212333212313 is an apocalyptic number.

It is an amenable number.

212333212313 is a deficient number, since it is larger than the sum of its proper divisors (16474018087).

212333212313 is a wasteful number, since it uses less digits than its factorization.

212333212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318232.

The product of its digits is 3888, while the sum is 26.

Adding to 212333212313 its reverse (313212333212), we get a palindrome (525545545525).

The spelling of 212333212313 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twelve thousand, three hundred thirteen".

Divisors: 1 19 61 139 1159 2641 8479 161101 1318013 25042247 80398793 183203807 1527577067 3480872333 11175432227 212333212313