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212223311113 = 11211871910487
BaseRepresentation
bin1100010110100101111…
…1101011110100001001
3202021210012121020002211
43011221133223310021
511434113131423423
6241254414025121
721222043244362
oct3055137536411
9667705536084
10212223311113
1182004587810
12351691a81a1
1317021810548
14a3b362cb69
1557c160610d
hex31697ebd09

212223311113 has 16 divisors (see below), whose sum is σ = 232662435840. Its totient is φ = 191975590800.

The previous prime is 212223311081. The next prime is 212223311123. The reversal of 212223311113 is 311113322212.

It is a cyclic number.

It is not a de Polignac number, because 212223311113 - 25 = 212223311081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212223311123) 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, 20231556 + ... + 20242042.

It is an arithmetic number, because the mean of its divisors is an integer number (14541402240).

Almost surely, 2212223311113 is an apocalyptic number.

It is an amenable number.

212223311113 is a deficient number, since it is larger than the sum of its proper divisors (20439124727).

212223311113 is a wasteful number, since it uses less digits than its factorization.

212223311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19428.

The product of its digits is 432, while the sum is 22.

Adding to 212223311113 its reverse (311113322212), we get a palindrome (523336633325).

The spelling of 212223311113 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred eleven thousand, one hundred thirteen".

Divisors: 1 11 211 2321 8719 10487 95909 115357 1839709 2212757 20236799 24340327 91436153 1005797683 19293028283 212223311113