Base | Representation |
---|---|
bin | 100100101010000… |
… | …1011011101000011 |
3 | 10011201111211020101 |
4 | 1021110023131003 |
5 | 10004341322223 |
6 | 322015423231 |
7 | 42324024163 |
oct | 11124133503 |
9 | 3151454211 |
10 | 1230026563 |
11 | 581355187 |
12 | 2a3b24b17 |
13 | 167aa858c |
14 | b95085a3 |
15 | 72ebc4ad |
hex | 4950b743 |
1230026563 has 2 divisors, whose sum is σ = 1230026564. Its totient is φ = 1230026562.
The previous prime is 1230026543. The next prime is 1230026569. The reversal of 1230026563 is 3656200321.
It is a strong prime.
It is an emirp because it is prime and its reverse (3656200321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1230026563 - 25 = 1230026531 is a prime.
It is not a weakly prime, because it can be changed into another prime (1230026569) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615013281 + 615013282.
It is an arithmetic number, because the mean of its divisors is an integer number (615013282).
Almost surely, 21230026563 is an apocalyptic number.
1230026563 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230026563 is an equidigital number, since it uses as much as digits as its factorization.
1230026563 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6480, while the sum is 28.
The square root of 1230026563 is about 35071.7345308156. The cubic root of 1230026563 is about 1071.4489825606.
Adding to 1230026563 its reverse (3656200321), we get a palindrome (4886226884).
The spelling of 1230026563 in words is "one billion, two hundred thirty million, twenty-six thousand, five hundred sixty-three".
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