Base | Representation |
---|---|
bin | 10010101010100110… |
… | …11101101010001011 |
3 | 221212101110122010012 |
4 | 21111103131222023 |
5 | 131010400201141 |
6 | 4334214542135 |
7 | 503221642325 |
oct | 112523355213 |
9 | 27771418105 |
10 | 10021100171 |
11 | 4282716975 |
12 | 1b3806794b |
13 | c39197594 |
14 | 6b0c96615 |
15 | 3d9b79ceb |
hex | 2554dda8b |
10021100171 has 2 divisors, whose sum is σ = 10021100172. Its totient is φ = 10021100170.
The previous prime is 10021100149. The next prime is 10021100179. The reversal of 10021100171 is 17100112001.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10021100171 - 26 = 10021100107 is a prime.
It is not a weakly prime, because it can be changed into another prime (10021100179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010550085 + 5010550086.
It is an arithmetic number, because the mean of its divisors is an integer number (5010550086).
Almost surely, 210021100171 is an apocalyptic number.
10021100171 is a deficient number, since it is larger than the sum of its proper divisors (1).
10021100171 is an equidigital number, since it uses as much as digits as its factorization.
10021100171 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 14.
Adding to 10021100171 its reverse (17100112001), we get a palindrome (27121212172).
The spelling of 10021100171 in words is "ten billion, twenty-one million, one hundred thousand, one hundred seventy-one".
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