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22012103717 is a prime number
BaseRepresentation
bin10100100000000001…
…100000110000100101
32002211001122201122122
4110200001200300211
5330040044304332
614040123435325
71406323536332
oct244001406045
962731581578
1022012103717
11937629335a
124323985b45
1320ca4cc256
1410cb611989
1588c71ec12
hex520060c25

22012103717 has 2 divisors, whose sum is σ = 22012103718. Its totient is φ = 22012103716.

The previous prime is 22012103681. The next prime is 22012103719. The reversal of 22012103717 is 71730121022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13259752801 + 8752350916 = 115151^2 + 93554^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012103717 - 28 = 22012103461 is a prime.

Together with 22012103719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012103719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006051858 + 11006051859.

It is an arithmetic number, because the mean of its divisors is an integer number (11006051859).

Almost surely, 222012103717 is an apocalyptic number.

It is an amenable number.

22012103717 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012103717 is an equidigital number, since it uses as much as digits as its factorization.

22012103717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

Adding to 22012103717 its reverse (71730121022), we get a palindrome (93742224739).

The spelling of 22012103717 in words is "twenty-two billion, twelve million, one hundred three thousand, seven hundred seventeen".