Base | Representation |
---|---|
bin | 11100010110011000… |
… | …111111011011101111 |
3 | 2220120110000121112211 |
4 | 130112120333123233 |
5 | 444320221433403 |
6 | 21552323511251 |
7 | 2125225211251 |
oct | 342630773357 |
9 | 86513017484 |
10 | 30440421103 |
11 | 11a00907a14 |
12 | 5a96528527 |
13 | 2b416b9ac1 |
14 | 168ab31cd1 |
15 | bd262406d |
hex | 71663f6ef |
30440421103 has 4 divisors (see below), whose sum is σ = 30444808600. Its totient is φ = 30436033608.
The previous prime is 30440421091. The next prime is 30440421149. The reversal of 30440421103 is 30112404403.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30440421103 - 213 = 30440412911 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 (30440421163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183325 + ... + 2197222.
It is an arithmetic number, because the mean of its divisors is an integer number (7611202150).
Almost surely, 230440421103 is an apocalyptic number.
30440421103 is a deficient number, since it is larger than the sum of its proper divisors (4387497).
30440421103 is an equidigital number, since it uses as much as digits as its factorization.
30440421103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4387496.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 30440421103 its reverse (30112404403), we get a palindrome (60552825506).
The spelling of 30440421103 in words is "thirty billion, four hundred forty million, four hundred twenty-one thousand, one hundred three".
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