Base | Representation |
---|---|
bin | 11011111100001001… |
… | …000010001001100001 |
3 | 2212102202100102221112 |
4 | 123330021002021201 |
5 | 442420001432210 |
6 | 21440512433105 |
7 | 2111300023130 |
oct | 337411021141 |
9 | 85382312845 |
10 | 30000030305 |
11 | 117a5264883 |
12 | 5992b48795 |
13 | 2aa13a5b2b |
14 | 1648455917 |
15 | ba8b32d05 |
hex | 6fc242261 |
30000030305 has 32 divisors (see below), whose sum is σ = 43970294016. Its totient is φ = 19180376064.
The previous prime is 30000030257. The next prime is 30000030329. The reversal of 30000030305 is 50303000003.
It is a cyclic number.
It is not a de Polignac number, because 30000030305 - 214 = 30000013921 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30000030305.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171944 + ... + 299273.
It is an arithmetic number, because the mean of its divisors is an integer number (1374071688).
Almost surely, 230000030305 is an apocalyptic number.
30000030305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30000030305 is a deficient number, since it is larger than the sum of its proper divisors (13970263711).
30000030305 is a wasteful number, since it uses less digits than its factorization.
30000030305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471353.
The product of its (nonzero) digits is 135, while the sum is 14.
Adding to 30000030305 its reverse (50303000003), we get a palindrome (80303030308).
The spelling of 30000030305 in words is "thirty billion, thirty thousand, three hundred five".
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