Base | Representation |
---|---|
bin | 11011111100110110… |
… | …101111100000010011 |
3 | 2212110120220012111212 |
4 | 123330312233200103 |
5 | 442431033400223 |
6 | 21442021330335 |
7 | 2111503616621 |
oct | 337466574023 |
9 | 85416805455 |
10 | 30012012563 |
11 | 11800aa9275 |
12 | 5996b669ab |
13 | 2aa3a0ca20 |
14 | 1649c94511 |
15 | ba9bed278 |
hex | 6fcdaf813 |
30012012563 has 16 divisors (see below), whose sum is σ = 32487512736. Its totient is φ = 27560632320.
The previous prime is 30012012557. The next prime is 30012012631. The reversal of 30012012563 is 36521021003.
It is not a de Polignac number, because 30012012563 - 220 = 30010963987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30012012523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844608 + ... + 2855138.
It is an arithmetic number, because the mean of its divisors is an integer number (2030469546).
Almost surely, 230012012563 is an apocalyptic number.
30012012563 is a deficient number, since it is larger than the sum of its proper divisors (2475500173).
30012012563 is a wasteful number, since it uses less digits than its factorization.
30012012563 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11654.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 30012012563 its reverse (36521021003), we get a palindrome (66533033566).
The spelling of 30012012563 in words is "thirty billion, twelve million, twelve thousand, five hundred sixty-three".
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