Base | Representation |
---|---|
bin | 11100010011100010… |
… | …001101001110011010 |
3 | 2220110002212020100022 |
4 | 130103202031032122 |
5 | 444220440131432 |
6 | 21543452510442 |
7 | 2124104014001 |
oct | 342342151632 |
9 | 86402766308 |
10 | 30392505242 |
11 | 11986860030 |
12 | 5a8247b422 |
13 | 2b347b1218 |
14 | 168461bc38 |
15 | bcd30bb12 |
hex | 71388d39a |
30392505242 has 24 divisors (see below), whose sum is σ = 52830770400. Its totient is φ = 13002138560.
The previous prime is 30392505179. The next prime is 30392505271. The reversal of 30392505242 is 24250529303.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383742 + ... + 2396457.
It is an arithmetic number, because the mean of its divisors is an integer number (2201282100).
Almost surely, 230392505242 is an apocalyptic number.
30392505242 is a deficient number, since it is larger than the sum of its proper divisors (22438265158).
30392505242 is a wasteful number, since it uses less digits than its factorization.
30392505242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4780246 (or 4780229 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 35.
The spelling of 30392505242 in words is "thirty billion, three hundred ninety-two million, five hundred five thousand, two hundred forty-two".
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