Base | Representation |
---|---|
bin | 11100010110010111… |
… | …100001000011000111 |
3 | 2220120102021222020022 |
4 | 130112113201003013 |
5 | 444320122101003 |
6 | 21552311325355 |
7 | 2125222011164 |
oct | 342627410307 |
9 | 86512258208 |
10 | 30440034503 |
11 | 11a0067350a |
12 | 5a9638085b |
13 | 2b415b2b48 |
14 | 168aa7106b |
15 | bd2599738 |
hex | 7165e10c7 |
30440034503 has 4 divisors (see below), whose sum is σ = 31763514288. Its totient is φ = 29116554720.
The previous prime is 30440034461. The next prime is 30440034509. The reversal of 30440034503 is 30543004403.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30543004403 = 117071 ⋅260893.
It is a cyclic number.
It is not a de Polignac number, because 30440034503 - 210 = 30440033479 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30440034509) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661739858 + ... + 661739903.
It is an arithmetic number, because the mean of its divisors is an integer number (7940878572).
Almost surely, 230440034503 is an apocalyptic number.
30440034503 is a deficient number, since it is larger than the sum of its proper divisors (1323479785).
30440034503 is a wasteful number, since it uses less digits than its factorization.
30440034503 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1323479784.
The product of its (nonzero) digits is 8640, while the sum is 26.
Adding to 30440034503 its reverse (30543004403), we get a palindrome (60983038906).
The spelling of 30440034503 in words is "thirty billion, four hundred forty million, thirty-four thousand, five hundred three".
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