Base | Representation |
---|---|
bin | 100100101010100… |
… | …1110101110101011 |
3 | 10011202000211020022 |
4 | 1021111032232223 |
5 | 10004424131443 |
6 | 322025351055 |
7 | 42326252441 |
oct | 11125165653 |
9 | 3152024208 |
10 | 1230302123 |
11 | 581523216 |
12 | 2a403848b |
13 | 167b73b2b |
14 | b957ab91 |
15 | 73023e68 |
hex | 4954ebab |
1230302123 has 2 divisors, whose sum is σ = 1230302124. Its totient is φ = 1230302122.
The previous prime is 1230302113. The next prime is 1230302159. The reversal of 1230302123 is 3212030321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1230302123 - 222 = 1226107819 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (1230302113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615151061 + 615151062.
It is an arithmetic number, because the mean of its divisors is an integer number (615151062).
Almost surely, 21230302123 is an apocalyptic number.
1230302123 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230302123 is an equidigital number, since it uses as much as digits as its factorization.
1230302123 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1230302123 is about 35075.6628305154. The cubic root of 1230302123 is about 1071.5289879971.
Adding to 1230302123 its reverse (3212030321), we get a palindrome (4442332444).
The spelling of 1230302123 in words is "one billion, two hundred thirty million, three hundred two thousand, one hundred twenty-three".
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