Base | Representation |
---|---|
bin | 11011111100010100… |
… | …011110100011000001 |
3 | 2212102221222212001002 |
4 | 123330110132203001 |
5 | 442421233431314 |
6 | 21441101021345 |
7 | 2111334356165 |
oct | 337424364301 |
9 | 85387885032 |
10 | 30003030209 |
11 | 117a6a23739 |
12 | 5993b54855 |
13 | 2aa1bb6419 |
14 | 16489d6ca5 |
15 | ba9026ade |
hex | 6fc51e8c1 |
30003030209 has 4 divisors (see below), whose sum is σ = 30004429104. Its totient is φ = 30001631316.
The previous prime is 30003030203. The next prime is 30003030251. The reversal of 30003030209 is 90203030003.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90203030003 = 1597 ⋅56482799.
It is a cyclic number.
It is not a de Polignac number, because 30003030209 - 224 = 29986252993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30003030203) 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, 666767 + ... + 710340.
It is an arithmetic number, because the mean of its divisors is an integer number (7501107276).
Almost surely, 230003030209 is an apocalyptic number.
It is an amenable number.
30003030209 is a deficient number, since it is larger than the sum of its proper divisors (1398895).
30003030209 is a wasteful number, since it uses less digits than its factorization.
30003030209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1398894.
The product of its (nonzero) digits is 486, while the sum is 20.
The spelling of 30003030209 in words is "thirty billion, three million, thirty thousand, two hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •