Base | Representation |
---|---|
bin | 11100101100001001… |
… | …101011010100000100 |
3 | 2221111212222210220011 |
4 | 130230021223110010 |
5 | 1001042202132114 |
6 | 22052444520004 |
7 | 2140250321521 |
oct | 345411532404 |
9 | 87455883804 |
10 | 30805505284 |
11 | 120789a5084 |
12 | 5b78850004 |
13 | 2b9c224a48 |
14 | 16c3408148 |
15 | c046dc1c4 |
hex | 72c26b504 |
30805505284 has 12 divisors (see below), whose sum is σ = 53916093504. Its totient is φ = 15400907144.
The previous prime is 30805505261. The next prime is 30805505323. The reversal of 30805505284 is 48250550803.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423472 + ... + 490855.
It is an arithmetic number, because the mean of its divisors is an integer number (4493007792).
Almost surely, 230805505284 is an apocalyptic number.
It is an amenable number.
30805505284 is a deficient number, since it is larger than the sum of its proper divisors (23110588220).
30805505284 is a wasteful number, since it uses less digits than its factorization.
30805505284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 922754 (or 922752 counting only the distinct ones).
The product of its (nonzero) digits is 192000, while the sum is 40.
The spelling of 30805505284 in words is "thirty billion, eight hundred five million, five hundred five thousand, two hundred eighty-four".
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