Base | Representation |
---|---|
bin | 100111101000111… |
… | …0010110000100101 |
3 | 10102200202021101020 |
4 | 1033101302300211 |
5 | 10210444030141 |
6 | 335551521353 |
7 | 44650234560 |
oct | 11721626045 |
9 | 3380667336 |
10 | 1330064421 |
11 | 6228720a4 |
12 | 311529259 |
13 | 18273338a |
14 | c89094d7 |
15 | 7bb7d266 |
hex | 4f472c25 |
1330064421 has 32 divisors (see below), whose sum is σ = 2073477120. Its totient is φ = 742576896.
The previous prime is 1330064413. The next prime is 1330064471. The reversal of 1330064421 is 1244600331.
It is not a de Polignac number, because 1330064421 - 23 = 1330064413 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1330064391 and 1330064400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1330064471) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024845 + ... + 1026141.
It is an arithmetic number, because the mean of its divisors is an integer number (64796160).
Almost surely, 21330064421 is an apocalyptic number.
It is an amenable number.
1330064421 is a deficient number, since it is larger than the sum of its proper divisors (743412699).
1330064421 is a wasteful number, since it uses less digits than its factorization.
1330064421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2393.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 1330064421 is about 36470.0482725208. The cubic root of 1330064421 is about 1099.7422043261.
Adding to 1330064421 its reverse (1244600331), we get a palindrome (2574664752).
The spelling of 1330064421 in words is "one billion, three hundred thirty million, sixty-four thousand, four hundred twenty-one".
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