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212112130313 = 41103268918679
BaseRepresentation
bin1100010110001011011…
…1100100000100001001
3202021111110101122201102
43011202313210010021
511433401201132223
6241235403031145
721216223234166
oct3054267440411
9667443348642
10212112130313
1181a57849a56
1235137b0b4b5
13170047838a5
14a3a296b06d
1557b6993928
hex3162de4109

212112130313 has 16 divisors (see below), whose sum is σ = 219488505600. Its totient is φ = 204842373120.

The previous prime is 212112130247. The next prime is 212112130367. The reversal of 212112130313 is 313031211212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212112130313 - 210 = 212112129289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112132313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11346308 + ... + 11364986.

It is an arithmetic number, because the mean of its divisors is an integer number (13718031600).

Almost surely, 2212112130313 is an apocalyptic number.

It is an amenable number.

212112130313 is a deficient number, since it is larger than the sum of its proper divisors (7376375287).

212112130313 is a wasteful number, since it uses less digits than its factorization.

212112130313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21512.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 212112130313 its reverse (313031211212), we get a palindrome (525143341525).

The spelling of 212112130313 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty thousand, three hundred thirteen".

Divisors: 1 41 103 2689 4223 18679 110249 276967 765839 1923937 11355647 50227831 78881417 2059341071 5173466593 212112130313