Base | Representation |
---|---|
bin | 100100101010010… |
… | …0010110011111000 |
3 | 10011201200200110200 |
4 | 1021110202303320 |
5 | 10004402402412 |
6 | 322021442200 |
7 | 42324603123 |
oct | 11124426370 |
9 | 3151620420 |
10 | 1230122232 |
11 | 581410049 |
12 | 2a3b70360 |
13 | 167b0cca1 |
14 | b95313ba |
15 | 72eda9dc |
hex | 49522cf8 |
1230122232 has 48 divisors (see below), whose sum is σ = 3446469000. Its totient is φ = 395900736.
The previous prime is 1230122219. The next prime is 1230122233. The reversal of 1230122232 is 2322210321.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230122233) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292482 + ... + 296657.
Almost surely, 21230122232 is an apocalyptic number.
1230122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1230122232 is an abundant number, since it is smaller than the sum of its proper divisors (2216346768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230122232 is a wasteful number, since it uses less digits than its factorization.
1230122232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 589180 (or 589173 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 1230122232 is about 35073.0984088945. The cubic root of 1230122232 is about 1071.4767602250.
Adding to 1230122232 its reverse (2322210321), we get a palindrome (3552332553).
The spelling of 1230122232 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, two hundred thirty-two".
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