Base | Representation |
---|---|
bin | 100100101010010… |
… | …1000001101000010 |
3 | 10011201201210202211 |
4 | 1021110220031002 |
5 | 10004404104242 |
6 | 322022132334 |
7 | 42325024411 |
oct | 11124501502 |
9 | 3151653684 |
10 | 1230144322 |
11 | 581425700 |
12 | 2a3b810aa |
13 | 167b1a064 |
14 | b9539478 |
15 | 72ee2317 |
hex | 49528342 |
1230144322 has 36 divisors (see below), whose sum is σ = 2140731558. Its totient is φ = 529689600.
The previous prime is 1230144287. The next prime is 1230144343. The reversal of 1230144322 is 2234410321.
It can be written as a sum of positive squares in only one way, i.e., 868421961 + 361722361 = 29469^2 + 19019^2 .
It is a super-3 number, since 3×12301443223 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 1230144293 and 1230144302.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 80322 + ... + 94402.
Almost surely, 21230144322 is an apocalyptic number.
1230144322 is a deficient number, since it is larger than the sum of its proper divisors (910587236).
1230144322 is a wasteful number, since it uses less digits than its factorization.
1230144322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14143 (or 14113 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1230144322 is about 35073.4133212039. The cubic root of 1230144322 is about 1071.4831738911.
Adding to 1230144322 its reverse (2234410321), we get a palindrome (3464554643).
The spelling of 1230144322 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, three hundred twenty-two".
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