Base | Representation |
---|---|
bin | 100100101010101… |
… | …0110010110001000 |
3 | 10011202002102000202 |
4 | 1021111112112020 |
5 | 10004431131240 |
6 | 322030151332 |
7 | 42326442416 |
oct | 11125262610 |
9 | 3152072022 |
10 | 1230333320 |
11 | 5815446a7 |
12 | 2a4052548 |
13 | 167b850a8 |
14 | b95882b6 |
15 | 7302d315 |
hex | 49556588 |
1230333320 has 16 divisors (see below), whose sum is σ = 2768250060. Its totient is φ = 492133312.
The previous prime is 1230333317. The next prime is 1230333343. The reversal of 1230333320 is 233330321.
It can be written as a sum of positive squares in 2 ways, for example, as 1229624356 + 708964 = 35066^2 + 842^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1230333292 and 1230333301.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 15379127 + ... + 15379206.
Almost surely, 21230333320 is an apocalyptic number.
1230333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230333320 is an abundant number, since it is smaller than the sum of its proper divisors (1537916740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230333320 is a wasteful number, since it uses less digits than its factorization.
1230333320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30758344 (or 30758340 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 20.
The square root of 1230333320 is about 35076.1075377528. The cubic root of 1230333320 is about 1071.5380449073.
Adding to 1230333320 its reverse (233330321), we get a palindrome (1463663641).
Subtracting from 1230333320 its reverse (233330321), we obtain a cube (997002999 = 9993).
The spelling of 1230333320 in words is "one billion, two hundred thirty million, three hundred thirty-three thousand, three hundred twenty".
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