Base | Representation |
---|---|
bin | 100100101010101… |
… | …1001010000001011 |
3 | 10011202010000100202 |
4 | 1021111121100023 |
5 | 10004432021402 |
6 | 322030322415 |
7 | 42326522216 |
oct | 11125312013 |
9 | 3152100322 |
10 | 1230345227 |
11 | 581552641 |
12 | 2a405940b |
13 | 167b8a637 |
14 | b958c77d |
15 | 73031b02 |
hex | 4955940b |
1230345227 has 2 divisors, whose sum is σ = 1230345228. Its totient is φ = 1230345226.
The previous prime is 1230345217. The next prime is 1230345251. The reversal of 1230345227 is 7225430321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1230345227 - 26 = 1230345163 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1230345227.
It is not a weakly prime, because it can be changed into another prime (1230345217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615172613 + 615172614.
It is an arithmetic number, because the mean of its divisors is an integer number (615172614).
Almost surely, 21230345227 is an apocalyptic number.
1230345227 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230345227 is an equidigital number, since it uses as much as digits as its factorization.
1230345227 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10080, while the sum is 29.
The square root of 1230345227 is about 35076.2772682621. The cubic root of 1230345227 is about 1071.5415016297.
Adding to 1230345227 its reverse (7225430321), we get a palindrome (8455775548).
The spelling of 1230345227 in words is "one billion, two hundred thirty million, three hundred forty-five thousand, two hundred twenty-seven".
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