Base | Representation |
---|---|
bin | 10111011001101101100… |
… | …10011101001110011000 |
3 | 2211212110120202201022201 |
4 | 23230312302131032120 |
5 | 101133222442042140 |
6 | 1413215515455544 |
7 | 112043542626532 |
oct | 13546662351630 |
9 | 2755416681281 |
10 | 804078080920 |
11 | 29000a129304 |
12 | 10ba041575b4 |
13 | 5aa93b08aca |
14 | 2acbbc02852 |
15 | 15db133c49a |
hex | bb36c9d398 |
804078080920 has 32 divisors (see below), whose sum is σ = 1809229097520. Its totient is φ = 321621736320.
The previous prime is 804078080909. The next prime is 804078080921. The reversal of 804078080920 is 29080870408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (804078080921) 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, 1163719 + ... + 1721161.
Almost surely, 2804078080920 is an apocalyptic number.
It is an amenable number.
804078080920 is an abundant number, since it is smaller than the sum of its proper divisors (1005151016600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804078080920 is a wasteful number, since it uses less digits than its factorization.
804078080920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593515 (or 593511 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 46.
The spelling of 804078080920 in words is "eight hundred four billion, seventy-eight million, eighty thousand, nine hundred twenty".
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