Base | Representation |
---|---|
bin | 1100101111101001… |
… | …00011110110110101 |
3 | 122122211121221221021 |
4 | 12113310203312311 |
5 | 103003034332034 |
6 | 3050534021141 |
7 | 331360635526 |
oct | 62764436665 |
9 | 18584557837 |
10 | 6842105269 |
11 | 29a120aa5a |
12 | 13ab4a77b1 |
13 | 8506a17cc |
14 | 48c9b884d |
15 | 2a0a2a6b4 |
hex | 197d23db5 |
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".
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