Base | Representation |
---|---|
bin | 11100011010000000… |
… | …001111100100001011 |
3 | 2220201200002111101122 |
4 | 130122000033210023 |
5 | 444431231324233 |
6 | 22002331105455 |
7 | 2126562403664 |
oct | 343200174413 |
9 | 86650074348 |
10 | 30501042443 |
11 | 11a320526a3 |
12 | 5ab28a228b |
13 | 2b51123811 |
14 | 1694bd236b |
15 | bd7aead98 |
hex | 71a00f90b |
30501042443 has 4 divisors (see below), whose sum is σ = 30619723800. Its totient is φ = 30382361088.
The previous prime is 30501042421. The next prime is 30501042469. The reversal of 30501042443 is 34424010503.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34424010503 = 100207 ⋅343529.
It is a cyclic number.
It is not a de Polignac number, because 30501042443 - 26 = 30501042379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30501042493) 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, 59340293 + ... + 59340806.
It is an arithmetic number, because the mean of its divisors is an integer number (7654930950).
Almost surely, 230501042443 is an apocalyptic number.
30501042443 is a deficient number, since it is larger than the sum of its proper divisors (118681357).
30501042443 is a wasteful number, since it uses less digits than its factorization.
30501042443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118681356.
The product of its (nonzero) digits is 5760, while the sum is 26.
Adding to 30501042443 its reverse (34424010503), we get a palindrome (64925052946).
The spelling of 30501042443 in words is "thirty billion, five hundred one million, forty-two thousand, four hundred forty-three".
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