Base | Representation |
---|---|
bin | 111110101101000… |
… | …1010110110001011 |
3 | 12102122001220002201 |
4 | 1331122022312023 |
5 | 13302111342141 |
6 | 544440141031 |
7 | 103065544162 |
oct | 17532126613 |
9 | 5378056081 |
10 | 2104012171 |
11 | 98a729538 |
12 | 4a8767777 |
13 | 276b94121 |
14 | 15d6123d9 |
15 | c4aab031 |
hex | 7d68ad8b |
2104012171 has 2 divisors, whose sum is σ = 2104012172. Its totient is φ = 2104012170.
The previous prime is 2104012153. The next prime is 2104012223. The reversal of 2104012171 is 1712104012.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2104012171 - 227 = 1969794443 is a prime.
It is a super-2 number, since 2×21040121712 = 8853734431432266482, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2104012121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052006085 + 1052006086.
It is an arithmetic number, because the mean of its divisors is an integer number (1052006086).
Almost surely, 22104012171 is an apocalyptic number.
2104012171 is a deficient number, since it is larger than the sum of its proper divisors (1).
2104012171 is an equidigital number, since it uses as much as digits as its factorization.
2104012171 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 112, while the sum is 19.
The square root of 2104012171 is about 45869.5124347316. The cubic root of 2104012171 is about 1281.3941862528.
Adding to 2104012171 its reverse (1712104012), we get a palindrome (3816116183).
The spelling of 2104012171 in words is "two billion, one hundred four million, twelve thousand, one hundred seventy-one".
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