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212223321313 = 1796079831987
BaseRepresentation
bin1100010110100101111…
…1101110010011100001
3202021210012121202002121
43011221133232103201
511434113132240223
6241254414144241
721222043316203
oct3055137562341
9667705552077
10212223321313
1182004594443
12351691b2081
1317021815093
14a3b3632773
1557c160915d
hex31697ee4e1

212223321313 has 16 divisors (see below), whose sum is σ = 214085652480. Its totient is φ = 210369782736.

The previous prime is 212223321287. The next prime is 212223321407. The reversal of 212223321313 is 313123322212.

It is a cyclic number.

It is not a de Polignac number, because 212223321313 - 25 = 212223321281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212223327313) 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, 106804906 + ... + 106806892.

It is an arithmetic number, because the mean of its divisors is an integer number (13380353280).

Almost surely, 2212223321313 is an apocalyptic number.

It is an amenable number.

212223321313 is a deficient number, since it is larger than the sum of its proper divisors (1862331167).

212223321313 is a wasteful number, since it uses less digits than its factorization.

212223321313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756.

The product of its digits is 2592, while the sum is 25.

Adding to 212223321313 its reverse (313123322212), we get a palindrome (525346643525).

The spelling of 212223321313 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 179 607 983 1987 108653 175957 355673 596681 1206109 1953221 106805899 215893511 349626559 1185605147 212223321313