Base | Representation |
---|---|
bin | 11101101100000110110… |
… | …11010011001101110111 |
3 | 10121112002101010010001212 |
4 | 32312003123103031313 |
5 | 113203142212033142 |
6 | 2100344425112035 |
7 | 133462221545003 |
oct | 16660333231567 |
9 | 3545071103055 |
10 | 1020112221047 |
11 | 363699833287 |
12 | 14585562861b |
13 | 75271ca575a |
14 | 375335c1703 |
15 | 1b80729cd82 |
hex | ed836d3377 |
1020112221047 has 2 divisors, whose sum is σ = 1020112221048. Its totient is φ = 1020112221046.
The previous prime is 1020112221017. The next prime is 1020112221059. The reversal of 1020112221047 is 7401222110201.
It is a strong prime.
It is an emirp because it is prime and its reverse (7401222110201) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1020112221047 - 214 = 1020112204663 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020112221017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056110523 + 510056110524.
It is an arithmetic number, because the mean of its divisors is an integer number (510056110524).
Almost surely, 21020112221047 is an apocalyptic number.
1020112221047 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020112221047 is an equidigital number, since it uses as much as digits as its factorization.
1020112221047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 448, while the sum is 23.
Adding to 1020112221047 its reverse (7401222110201), we get a palindrome (8421334331248).
The spelling of 1020112221047 in words is "one trillion, twenty billion, one hundred twelve million, two hundred twenty-one thousand, forty-seven".
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