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6842105269 is a prime number
BaseRepresentation
bin1100101111101001…
…00011110110110101
3122122211121221221021
412113310203312311
5103003034332034
63050534021141
7331360635526
oct62764436665
918584557837
106842105269
1129a120aa5a
1213ab4a77b1
138506a17cc
1448c9b884d
152a0a2a6b4
hex197d23db5

6842105269 has 2 divisors, whose sum is σ = 6842105270. Its totient is φ = 6842105268.

The previous prime is 6842105267. The next prime is 6842105273. The reversal of 6842105269 is 9625012486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5993082225 + 849023044 = 77415^2 + 29138^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842105269 - 21 = 6842105267 is a prime.

It is a super-2 number, since 2×68421052692 = 93628809024155124722, which contains 22 as substring.

Together with 6842105267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6842105267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421052634 + 3421052635.

It is an arithmetic number, because the mean of its divisors is an integer number (3421052635).

Almost surely, 26842105269 is an apocalyptic number.

It is an amenable number.

6842105269 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842105269 is an equidigital number, since it uses as much as digits as its factorization.

6842105269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 6842105269 is about 82717.0192221649. The cubic root of 6842105269 is about 1898.4387237840.

The spelling of 6842105269 in words is "six billion, eight hundred forty-two million, one hundred five thousand, two hundred sixty-nine".