Base | Representation |
---|---|
bin | 111001011000100010… |
… | …1111100100011100001 |
3 | 102210002010101021221222 |
4 | 1302301011330203201 |
5 | 4004333413212043 |
6 | 132340003024425 |
7 | 11621521335032 |
oct | 1626105744341 |
9 | 383063337858 |
10 | 123230210273 |
11 | 48297271995 |
12 | 1ba7166b115 |
13 | b80b4a27b1 |
14 | 5d70356a89 |
15 | 331386ed68 |
hex | 1cb117c8e1 |
123230210273 has 2 divisors, whose sum is σ = 123230210274. Its totient is φ = 123230210272.
The previous prime is 123230210239. The next prime is 123230210321. The reversal of 123230210273 is 372012032321.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 84895311424 + 38334898849 = 291368^2 + 195793^2 .
It is an emirp because it is prime and its reverse (372012032321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 123230210273 - 26 = 123230210209 is a prime.
It is not a weakly prime, because it can be changed into another prime (123232210273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615105136 + 61615105137.
It is an arithmetic number, because the mean of its divisors is an integer number (61615105137).
Almost surely, 2123230210273 is an apocalyptic number.
It is an amenable number.
123230210273 is a deficient number, since it is larger than the sum of its proper divisors (1).
123230210273 is an equidigital number, since it uses as much as digits as its factorization.
123230210273 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 26.
Adding to 123230210273 its reverse (372012032321), we get a palindrome (495242242594).
The spelling of 123230210273 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred ten thousand, two hundred seventy-three".
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