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212213103029 is a prime number
BaseRepresentation
bin1100010110100011100…
…0101111100110110101
3202021202111101121020122
43011220320233212311
511434103023244104
6241253411141325
721221560420244
oct3055070574665
9667674347218
10212213103029
1181aa9845284
12351658a4845
131701c678065
14a3b213295b
1557c078b6be
hex3168e2f9b5

212213103029 has 2 divisors, whose sum is σ = 212213103030. Its totient is φ = 212213103028.

The previous prime is 212213103007. The next prime is 212213103031. The reversal of 212213103029 is 920301312212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202520700529 + 9692402500 = 450023^2 + 98450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212213103029 is a prime.

Together with 212213103031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212213102989 and 212213103007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212213103229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106551514 + 106106551515.

It is an arithmetic number, because the mean of its divisors is an integer number (106106551515).

Almost surely, 2212213103029 is an apocalyptic number.

It is an amenable number.

212213103029 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213103029 is an equidigital number, since it uses as much as digits as its factorization.

212213103029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 212213103029 in words is "two hundred twelve billion, two hundred thirteen million, one hundred three thousand, twenty-nine".