Base | Representation |
---|---|
bin | 111100001101000… |
… | …0101000000011011 |
3 | 12012210011211012221 |
4 | 1320122011000123 |
5 | 13114121232141 |
6 | 532241444511 |
7 | 101026404463 |
oct | 17032050033 |
9 | 5183154187 |
10 | 2020102171 |
11 | 94732772a |
12 | 484640737 |
13 | 262695139 |
14 | 15240cba3 |
15 | bc533bd1 |
hex | 7868501b |
2020102171 has 2 divisors, whose sum is σ = 2020102172. Its totient is φ = 2020102170.
The previous prime is 2020102109. The next prime is 2020102177. The reversal of 2020102171 is 1712010202.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2020102171 - 27 = 2020102043 is a prime.
It is not a weakly prime, because it can be changed into another prime (2020102177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010051085 + 1010051086.
It is an arithmetic number, because the mean of its divisors is an integer number (1010051086).
Almost surely, 22020102171 is an apocalyptic number.
2020102171 is a deficient number, since it is larger than the sum of its proper divisors (1).
2020102171 is an equidigital number, since it uses as much as digits as its factorization.
2020102171 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 56, while the sum is 16.
The square root of 2020102171 is about 44945.5467315729. The cubic root of 2020102171 is about 1264.1281772205.
Adding to 2020102171 its reverse (1712010202), we get a palindrome (3732112373).
The spelling of 2020102171 in words is "two billion, twenty million, one hundred two thousand, one hundred seventy-one".
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