Base | Representation |
---|---|
bin | 11100010100001011… |
… | …111001011111001011 |
3 | 2220110212102111101112 |
4 | 130110023321133023 |
5 | 444231234400233 |
6 | 21544523040535 |
7 | 2124265633364 |
oct | 342413713713 |
9 | 86425374345 |
10 | 30403434443 |
11 | 11991a45328 |
12 | 5a8607014b |
13 | 2b36b399c5 |
14 | 1685c64b6b |
15 | bce26a048 |
hex | 7142f97cb |
30403434443 has 4 divisors (see below), whose sum is σ = 30409199040. Its totient is φ = 30397669848.
The previous prime is 30403434427. The next prime is 30403434449. The reversal of 30403434443 is 34443430403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34443430403 = 367 ⋅93851309.
It is a cyclic number.
It is not a de Polignac number, because 30403434443 - 24 = 30403434427 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30403434449) 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, 2874380 + ... + 2884937.
It is an arithmetic number, because the mean of its divisors is an integer number (7602299760).
Almost surely, 230403434443 is an apocalyptic number.
30403434443 is a deficient number, since it is larger than the sum of its proper divisors (5764597).
30403434443 is an equidigital number, since it uses as much as digits as its factorization.
30403434443 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5764596.
The product of its (nonzero) digits is 82944, while the sum is 32.
Adding to 30403434443 its reverse (34443430403), we get a palindrome (64846864846).
The spelling of 30403434443 in words is "thirty billion, four hundred three million, four hundred thirty-four thousand, four hundred forty-three".
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