Base | Representation |
---|---|
bin | 11011111111011011… |
… | …001000001000000001 |
3 | 2212120120222112020222 |
4 | 123333123020020001 |
5 | 443023101330100 |
6 | 21450201112425 |
7 | 2112536114621 |
oct | 337733101001 |
9 | 85516875228 |
10 | 30055105025 |
11 | 11823361280 |
12 | 59a9488715 |
13 | 2aac91a01a |
14 | 16518b0881 |
15 | bad8b1485 |
hex | 6ff6c8201 |
30055105025 has 12 divisors (see below), whose sum is σ = 40656360624. Its totient is φ = 21858258000.
The previous prime is 30055105021. The next prime is 30055105039. The reversal of 30055105025 is 52050155003.
It is not a de Polignac number, because 30055105025 - 22 = 30055105021 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30055104985 and 30055105003.
It is not an unprimeable number, because it can be changed into a prime (30055105021) by changing a digit.
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, 54645371 + ... + 54645920.
It is an arithmetic number, because the mean of its divisors is an integer number (3388030052).
Almost surely, 230055105025 is an apocalyptic number.
It is an amenable number.
30055105025 is a deficient number, since it is larger than the sum of its proper divisors (10601255599).
30055105025 is a wasteful number, since it uses less digits than its factorization.
30055105025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109291312 (or 109291307 counting only the distinct ones).
The product of its (nonzero) digits is 3750, while the sum is 26.
The spelling of 30055105025 in words is "thirty billion, fifty-five million, one hundred five thousand, twenty-five".
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