Base | Representation |
---|---|
bin | 11100001111110011… |
… | …111000110000011010 |
3 | 2220021202022012222022 |
4 | 130033303320300122 |
5 | 444103441444010 |
6 | 21533341454442 |
7 | 2122415003510 |
oct | 341763706032 |
9 | 86252265868 |
10 | 30330031130 |
11 | 1195456a333 |
12 | 5a65571422 |
13 | 2b248790a9 |
14 | 167a1d84b0 |
15 | bc7abad55 |
hex | 70fcf8c1a |
30330031130 has 32 divisors (see below), whose sum is σ = 62420561280. Its totient is φ = 10394308800.
The previous prime is 30330031111. The next prime is 30330031141. The reversal of 30330031130 is 3113003303.
It is a junction number, because it is equal to n+sod(n) for n = 30330031099 and 30330031108.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67805 + ... + 255455.
It is an arithmetic number, because the mean of its divisors is an integer number (1950642540).
Almost surely, 230330031130 is an apocalyptic number.
30330031130 is an abundant number, since it is smaller than the sum of its proper divisors (32090530150).
30330031130 is a wasteful number, since it uses less digits than its factorization.
30330031130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189974.
The product of its (nonzero) digits is 243, while the sum is 17.
Adding to 30330031130 its reverse (3113003303), we get a palindrome (33443034433).
The spelling of 30330031130 in words is "thirty billion, three hundred thirty million, thirty-one thousand, one hundred thirty".
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