Base | Representation |
---|---|
bin | 100111011000000… |
… | …1000100110101010 |
3 | 10102002010222220221 |
4 | 1032300020212222 |
5 | 10201214203002 |
6 | 335034440254 |
7 | 44512235404 |
oct | 11660104652 |
9 | 3362128827 |
10 | 1321241002 |
11 | 618895a14 |
12 | 30a59308a |
13 | 180964213 |
14 | c768db74 |
15 | 7aed8c37 |
hex | 4ec089aa |
1321241002 has 8 divisors (see below), whose sum is σ = 1984313700. Its totient is φ = 659803104.
The previous prime is 1321240939. The next prime is 1321241021. The reversal of 1321241002 is 2001421231.
It can be written as a sum of positive squares in 2 ways, for example, as 1318488721 + 2752281 = 36311^2 + 1659^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 406677 + ... + 409912.
Almost surely, 21321241002 is an apocalyptic number.
1321241002 is a deficient number, since it is larger than the sum of its proper divisors (663072698).
1321241002 is an equidigital number, since it uses as much as digits as its factorization.
1321241002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 817400.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1321241002 is about 36348.8789648319. The cubic root of 1321241002 is about 1097.3049733105.
Adding to 1321241002 its reverse (2001421231), we get a palindrome (3322662233).
The spelling of 1321241002 in words is "one billion, three hundred twenty-one million, two hundred forty-one thousand, two".
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