Base | Representation |
---|---|
bin | 100001100111111… |
… | …1110000111001111 |
3 | 2220122000112211011 |
4 | 1003033332013033 |
5 | 4302313310142 |
6 | 303542310051 |
7 | 36650023615 |
oct | 10317760717 |
9 | 2818015734 |
10 | 1128260047 |
11 | 529967522 |
12 | 275a28327 |
13 | 14c9969c5 |
14 | a9bb76b5 |
15 | 690b9417 |
hex | 433fe1cf |
1128260047 has 2 divisors, whose sum is σ = 1128260048. Its totient is φ = 1128260046.
The previous prime is 1128260039. The next prime is 1128260093. The reversal of 1128260047 is 7400628211.
It is a weak prime.
It is an emirp because it is prime and its reverse (7400628211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1128260047 - 23 = 1128260039 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1128260347) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564130023 + 564130024.
It is an arithmetic number, because the mean of its divisors is an integer number (564130024).
Almost surely, 21128260047 is an apocalyptic number.
1128260047 is a deficient number, since it is larger than the sum of its proper divisors (1).
1128260047 is an equidigital number, since it uses as much as digits as its factorization.
1128260047 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 1128260047 is about 33589.5824177676. The cubic root of 1128260047 is about 1041.0455606146.
Adding to 1128260047 its reverse (7400628211), we get a palindrome (8528888258).
The spelling of 1128260047 in words is "one billion, one hundred twenty-eight million, two hundred sixty thousand, forty-seven".
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