Base | Representation |
---|---|
bin | 11101101011111111100… |
… | …01110101100110101001 |
3 | 10121111221002221210021212 |
4 | 32311333301311212221 |
5 | 113203031030121301 |
6 | 2100334401242505 |
7 | 133460546416613 |
oct | 16657761654651 |
9 | 3544832853255 |
10 | 1020051020201 |
11 | 363668232174 |
12 | 145839033435 |
13 | 752623c8035 |
14 | 3752940ddb3 |
15 | 1b801c0e4bb |
hex | ed7fc759a9 |
1020051020201 has 2 divisors, whose sum is σ = 1020051020202. Its totient is φ = 1020051020200.
The previous prime is 1020051020171. The next prime is 1020051020273. The reversal of 1020051020201 is 1020201500201.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 994110696601 + 25940323600 = 997051^2 + 161060^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020051020201 - 226 = 1019983911337 is a prime.
It is not a weakly prime, because it can be changed into another prime (1020051020701) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510025510100 + 510025510101.
It is an arithmetic number, because the mean of its divisors is an integer number (510025510101).
Almost surely, 21020051020201 is an apocalyptic number.
It is an amenable number.
1020051020201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020051020201 is an equidigital number, since it uses as much as digits as its factorization.
1020051020201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40, while the sum is 14.
Adding to 1020051020201 its reverse (1020201500201), we get a palindrome (2040252520402).
The spelling of 1020051020201 in words is "one trillion, twenty billion, fifty-one million, twenty thousand, two hundred one".
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