Base | Representation |
---|---|
bin | 11100011010000111… |
… | …111010011000000101 |
3 | 2220201210212122002111 |
4 | 130122013322120011 |
5 | 444432240142210 |
6 | 22002442141021 |
7 | 2126615446051 |
oct | 343207723005 |
9 | 86653778074 |
10 | 30503052805 |
11 | 11a331a6055 |
12 | 5ab34b1771 |
13 | 2b51678894 |
14 | 1695196c61 |
15 | bd7d9688a |
hex | 71a1fa605 |
30503052805 has 16 divisors (see below), whose sum is σ = 37231410240. Its totient is φ = 23984108032.
The previous prime is 30503052799. The next prime is 30503052817. The reversal of 30503052805 is 50825030503.
It is a cyclic number.
It is not a de Polignac number, because 30503052805 - 25 = 30503052773 is a prime.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 2760702 + ... + 2771728.
It is an arithmetic number, because the mean of its divisors is an integer number (2326963140).
Almost surely, 230503052805 is an apocalyptic number.
It is an amenable number.
30503052805 is a deficient number, since it is larger than the sum of its proper divisors (6728357435).
30503052805 is a wasteful number, since it uses less digits than its factorization.
30503052805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20468.
The product of its (nonzero) digits is 18000, while the sum is 31.
The spelling of 30503052805 in words is "thirty billion, five hundred three million, fifty-two thousand, eight hundred five".
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