Base | Representation |
---|---|
bin | 11100011100101000… |
… | …010101000010100000 |
3 | 2220211202000002221021 |
4 | 130130220111002200 |
5 | 1000024021330211 |
6 | 22010543335224 |
7 | 2130636052264 |
oct | 343450250240 |
9 | 86752002837 |
10 | 30545105056 |
11 | 11a54a08584 |
12 | 5b055b1514 |
13 | 2b5a2b057b |
14 | 169a9c20a4 |
15 | bdb901771 |
hex | 71ca150a0 |
30545105056 has 24 divisors (see below), whose sum is σ = 60450534144. Its totient is φ = 15192588480.
The previous prime is 30545105009. The next prime is 30545105077. The reversal of 30545105056 is 65050154503.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2492670 + ... + 2504893.
It is an arithmetic number, because the mean of its divisors is an integer number (2518772256).
Almost surely, 230545105056 is an apocalyptic number.
It is an amenable number.
30545105056 is a deficient number, since it is larger than the sum of its proper divisors (29905429088).
30545105056 is a wasteful number, since it uses less digits than its factorization.
30545105056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4997764 (or 4997756 counting only the distinct ones).
The product of its (nonzero) digits is 45000, while the sum is 34.
Adding to 30545105056 its reverse (65050154503), we get a palindrome (95595259559).
The spelling of 30545105056 in words is "thirty billion, five hundred forty-five million, one hundred five thousand, fifty-six".
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