Base | Representation |
---|---|
bin | 100100101010000… |
… | …0111111010000001 |
3 | 10011201111002022020 |
4 | 1021110013322001 |
5 | 10004340341113 |
6 | 322015232053 |
7 | 42323633625 |
oct | 11124077201 |
9 | 3151432266 |
10 | 1230012033 |
11 | 581345278 |
12 | 2a3b18629 |
13 | 167aa1a93 |
14 | b9503185 |
15 | 72eb8023 |
hex | 49507e81 |
1230012033 has 24 divisors (see below), whose sum is σ = 1782731808. Its totient is φ = 753801216.
The previous prime is 1230012019. The next prime is 1230012059. The reversal of 1230012033 is 3302100321.
It is not a de Polignac number, because 1230012033 - 25 = 1230012001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1230012073) 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 in 23 ways as a sum of consecutive naturals, for example, 20785 + ... + 53777.
It is an arithmetic number, because the mean of its divisors is an integer number (74280492).
Almost surely, 21230012033 is an apocalyptic number.
It is an amenable number.
1230012033 is a deficient number, since it is larger than the sum of its proper divisors (552719775).
1230012033 is a wasteful number, since it uses less digits than its factorization.
1230012033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33073 (or 33056 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 1230012033 is about 35071.5273833348. The cubic root of 1230012033 is about 1071.4447636232. Note that the first 3 decimals are identical.
Adding to 1230012033 its reverse (3302100321), we get a palindrome (4532112354).
The spelling of 1230012033 in words is "one billion, two hundred thirty million, twelve thousand, thirty-three".
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