Base | Representation |
---|---|
bin | 101010100111110… |
… | …0000111001000011 |
3 | 10200200001010212210 |
4 | 1111033200321003 |
5 | 10412103131433 |
6 | 353524353203 |
7 | 50303622633 |
oct | 12517407103 |
9 | 3620033783 |
10 | 1430130243 |
11 | 6742a9023 |
12 | 33ab45803 |
13 | 19a39ab19 |
14 | d7d166c3 |
15 | 85847463 |
hex | 553e0e43 |
1430130243 has 4 divisors (see below), whose sum is σ = 1906840328. Its totient is φ = 953420160.
The previous prime is 1430130203. The next prime is 1430130319. The reversal of 1430130243 is 3420310341.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1430130243 - 213 = 1430122051 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1430130203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238355038 + ... + 238355043.
It is an arithmetic number, because the mean of its divisors is an integer number (476710082).
Almost surely, 21430130243 is an apocalyptic number.
1430130243 is a deficient number, since it is larger than the sum of its proper divisors (476710085).
1430130243 is an equidigital number, since it uses as much as digits as its factorization.
1430130243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476710084.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1430130243 is about 37817.0628552774. The cubic root of 1430130243 is about 1126.6573742080.
Adding to 1430130243 its reverse (3420310341), we get a palindrome (4850440584).
It can be divided in two parts, 14301 and 30243, that added together give a palindrome (44544).
The spelling of 1430130243 in words is "one billion, four hundred thirty million, one hundred thirty thousand, two hundred forty-three".
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