Base | Representation |
---|---|
bin | 100111011000001… |
… | …0111100011010110 |
3 | 10102002021002220122 |
4 | 1032300113203112 |
5 | 10201223132410 |
6 | 335040031542 |
7 | 44512612043 |
oct | 11660274326 |
9 | 3362232818 |
10 | 1321302230 |
11 | 618927a16 |
12 | 30a6025b2 |
13 | 180986051 |
14 | c76a81ca |
15 | 7aeebe55 |
hex | 4ec178d6 |
1321302230 has 16 divisors (see below), whose sum is σ = 2378817504. Its totient is φ = 528415680.
The previous prime is 1321302221. The next prime is 1321302239. The reversal of 1321302230 is 322031231.
It is an interprime number because it is at equal distance from previous prime (1321302221) and next prime (1321302239).
It is a junction number, because it is equal to n+sod(n) for n = 1321302199 and 1321302208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1321302239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57839 + ... + 77381.
It is an arithmetic number, because the mean of its divisors is an integer number (148676094).
Almost surely, 21321302230 is an apocalyptic number.
1321302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1321302230 is a deficient number, since it is larger than the sum of its proper divisors (1057515274).
1321302230 is a wasteful number, since it uses less digits than its factorization.
1321302230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26311.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1321302230 is about 36349.7211818743. The cubic root of 1321302230 is about 1097.3219232213.
Adding to 1321302230 its reverse (322031231), we get a palindrome (1643333461).
The spelling of 1321302230 in words is "one billion, three hundred twenty-one million, three hundred two thousand, two hundred thirty".
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