Base | Representation |
---|---|
bin | 11101011001011101011… |
… | …01111100110101101011 |
3 | 10120120020200110002102122 |
4 | 32230232231330311223 |
5 | 113022141341042141 |
6 | 2052011204221455 |
7 | 132656150534444 |
oct | 16545655746553 |
9 | 3516220402378 |
10 | 1010101112171 |
11 | 35a421820a88 |
12 | 14392099a88b |
13 | 74337bc8aa8 |
14 | 36c63baa2cb |
15 | 1b41d44864b |
hex | eb2eb7cd6b |
1010101112171 has 2 divisors, whose sum is σ = 1010101112172. Its totient is φ = 1010101112170.
The previous prime is 1010101112093. The next prime is 1010101112191. The reversal of 1010101112171 is 1712111010101.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1010101112171 is a prime.
It is a super-2 number, since 2×10101011121712 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1010101112191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505050556085 + 505050556086.
It is an arithmetic number, because the mean of its divisors is an integer number (505050556086).
Almost surely, 21010101112171 is an apocalyptic number.
1010101112171 is a deficient number, since it is larger than the sum of its proper divisors (1).
1010101112171 is an equidigital number, since it uses as much as digits as its factorization.
1010101112171 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14, while the sum is 17.
Adding to 1010101112171 its reverse (1712111010101), we get a palindrome (2722212122272).
The spelling of 1010101112171 in words is "one trillion, ten billion, one hundred one million, one hundred twelve thousand, one hundred seventy-one".
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