Base | Representation |
---|---|
bin | 1101000111111011… |
… | …00110000011000000 |
3 | 200012000220201202022 |
4 | 12203331212003000 |
5 | 103412211101003 |
6 | 3123051541012 |
7 | 336413212223 |
oct | 64375460300 |
9 | 20160821668 |
10 | 7045800128 |
11 | 2a96196a14 |
12 | 144775a768 |
13 | 883950803 |
14 | 4aba7d5ba |
15 | 2b3864738 |
hex | 1a3f660c0 |
7045800128 has 56 divisors (see below), whose sum is σ = 14686483200. Its totient is φ = 3347308800.
The previous prime is 7045800121. The next prime is 7045800133. The reversal of 7045800128 is 8210085407.
It is not an unprimeable number, because it can be changed into a prime (7045800121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206423 + ... + 238121.
Almost surely, 27045800128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7045800128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7343241600).
7045800128 is an abundant number, since it is smaller than the sum of its proper divisors (7640683072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7045800128 is a wasteful number, since it uses less digits than its factorization.
7045800128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31885 (or 31875 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 35.
The square root of 7045800128 is about 83939.2645190557. The cubic root of 7045800128 is about 1917.0941401706.
The spelling of 7045800128 in words is "seven billion, forty-five million, eight hundred thousand, one hundred twenty-eight".
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