Base | Representation |
---|---|
bin | 100101101000101110… |
… | …0001110111010010010 |
3 | 21201121201012112111010 |
4 | 1023101130032322102 |
5 | 2311011223004303 |
6 | 101044002431350 |
7 | 5560606203030 |
oct | 1132134167222 |
9 | 251551175433 |
10 | 80823250578 |
11 | 31305688464 |
12 | 137b7662556 |
13 | 7810868835 |
14 | 3caa237550 |
15 | 21808d9c03 |
hex | 12d170ee92 |
80823250578 has 16 divisors (see below), whose sum is σ = 184738858560. Its totient is φ = 23092357296.
The previous prime is 80823250483. The next prime is 80823250583. The reversal of 80823250578 is 87505232808.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962181513 + ... + 962181596.
It is an arithmetic number, because the mean of its divisors is an integer number (11546178660).
Almost surely, 280823250578 is an apocalyptic number.
80823250578 is an abundant number, since it is smaller than the sum of its proper divisors (103915607982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80823250578 is a wasteful number, since it uses less digits than its factorization.
80823250578 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1924363121.
The product of its (nonzero) digits is 1075200, while the sum is 48.
The spelling of 80823250578 in words is "eighty billion, eight hundred twenty-three million, two hundred fifty thousand, five hundred seventy-eight".
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