Base | Representation |
---|---|
bin | 10010110001110010000… |
… | …010011000111110111111 |
3 | 11120100202102200120121221 |
4 | 102301302002120332333 |
5 | 132120221233334142 |
6 | 2424445251334211 |
7 | 162141254035342 |
oct | 22616202307677 |
9 | 4510672616557 |
10 | 1290403418047 |
11 | 4582910a8127 |
12 | 18a1095b1367 |
13 | 948b8b77293 |
14 | 46654c3a459 |
15 | 238766a3767 |
hex | 12c72098fbf |
1290403418047 has 2 divisors, whose sum is σ = 1290403418048. Its totient is φ = 1290403418046.
The previous prime is 1290403418033. The next prime is 1290403418137. The reversal of 1290403418047 is 7408143040921.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1290403418047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1290403417994 and 1290403418012.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1290403418747) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645201709023 + 645201709024.
It is an arithmetic number, because the mean of its divisors is an integer number (645201709024).
Almost surely, 21290403418047 is an apocalyptic number.
1290403418047 is a deficient number, since it is larger than the sum of its proper divisors (1).
1290403418047 is an equidigital number, since it uses as much as digits as its factorization.
1290403418047 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 193536, while the sum is 43.
Adding to 1290403418047 its reverse (7408143040921), we get a palindrome (8698546458968).
The spelling of 1290403418047 in words is "one trillion, two hundred ninety billion, four hundred three million, four hundred eighteen thousand, forty-seven".
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