Base | Representation |
---|---|
bin | 11011111100010100… |
… | …011100100111110001 |
3 | 2212102221222110012221 |
4 | 123330110130213301 |
5 | 442421233203241 |
6 | 21441100521041 |
7 | 2111334324166 |
oct | 337424344761 |
9 | 85387873187 |
10 | 30003022321 |
11 | 117a6a18818 |
12 | 5993b50181 |
13 | 2aa1bb295c |
14 | 16489d406d |
15 | ba90245d1 |
hex | 6fc51c9f1 |
30003022321 has 8 divisors (see below), whose sum is σ = 30198603200. Its totient is φ = 29807498448.
The previous prime is 30003022297. The next prime is 30003022397. The reversal of 30003022321 is 12322030003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30003022321 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30003022295 and 30003022304.
It is not an unprimeable number, because it can be changed into a prime (30003722321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1725730 + ... + 1743028.
It is an arithmetic number, because the mean of its divisors is an integer number (3774825400).
Almost surely, 230003022321 is an apocalyptic number.
It is an amenable number.
30003022321 is a deficient number, since it is larger than the sum of its proper divisors (195580879).
30003022321 is a wasteful number, since it uses less digits than its factorization.
30003022321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28503.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 30003022321 its reverse (12322030003), we get a palindrome (42325052324).
The spelling of 30003022321 in words is "thirty billion, three million, twenty-two thousand, three hundred twenty-one".
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