Base | Representation |
---|---|
bin | 11011111100011000… |
… | …111101011111001000 |
3 | 2212110001012120020211 |
4 | 123330120331133020 |
5 | 442422034034022 |
6 | 21441142130504 |
7 | 2111350352551 |
oct | 337430753710 |
9 | 85401176224 |
10 | 30004205512 |
11 | 117a7656766 |
12 | 5994420a34 |
13 | 2aa2208378 |
14 | 1648c21328 |
15 | ba91a9e77 |
hex | 6fc63d7c8 |
30004205512 has 8 divisors (see below), whose sum is σ = 56257885350. Its totient is φ = 15002102752.
The previous prime is 30004205461. The next prime is 30004205513. The reversal of 30004205512 is 21550240003.
It can be written as a sum of positive squares in only one way, i.e., 26926840836 + 3077364676 = 164094^2 + 55474^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-3 number, since 3×300042055123 (a number of 32 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (30004205513) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875262837 + ... + 1875262852.
Almost surely, 230004205512 is an apocalyptic number.
It is an amenable number.
30004205512 is a deficient number, since it is larger than the sum of its proper divisors (26253679838).
30004205512 is a wasteful number, since it uses less digits than its factorization.
30004205512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3750525695 (or 3750525691 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
Adding to 30004205512 its reverse (21550240003), we get a palindrome (51554445515).
The spelling of 30004205512 in words is "thirty billion, four million, two hundred five thousand, five hundred twelve".
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