Base | Representation |
---|---|
bin | 100110101111111… |
… | …1110111110000101 |
3 | 10100121121112021110 |
4 | 1031133332332011 |
5 | 10130324330041 |
6 | 333004235233 |
7 | 44135526036 |
oct | 11537767605 |
9 | 3317545243 |
10 | 1300230021 |
11 | 607a45072 |
12 | 30353bb19 |
13 | 1794b889c |
14 | c4980a8d |
15 | 79238516 |
hex | 4d7fef85 |
1300230021 has 8 divisors (see below), whose sum is σ = 1824884320. Its totient is φ = 821197872.
The previous prime is 1300230011. The next prime is 1300230037. The reversal of 1300230021 is 1200320031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1300230021 - 215 = 1300197253 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1300229979 and 1300230006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1300230011) 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, 11405470 + ... + 11405583.
It is an arithmetic number, because the mean of its divisors is an integer number (228110540).
Almost surely, 21300230021 is an apocalyptic number.
It is an amenable number.
1300230021 is a deficient number, since it is larger than the sum of its proper divisors (524654299).
1300230021 is a wasteful number, since it uses less digits than its factorization.
1300230021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22811075.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1300230021 is about 36058.7024308973. The cubic root of 1300230021 is about 1091.4572493373.
Adding to 1300230021 its reverse (1200320031), we get a palindrome (2500550052).
The spelling of 1300230021 in words is "one billion, three hundred million, two hundred thirty thousand, twenty-one".
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