Base | Representation |
---|---|
bin | 100101011100011110… |
… | …1100101100110110001 |
3 | 21200120002102111021000 |
4 | 1022320331211212301 |
5 | 2304141104021024 |
6 | 100535132152213 |
7 | 5544461341530 |
oct | 1127075454661 |
9 | 250502374230 |
10 | 80412563889 |
11 | 31114883479 |
12 | 13702008669 |
13 | 7776754c68 |
14 | 3c6b890317 |
15 | 2159814cc9 |
hex | 12b8f659b1 |
80412563889 has 32 divisors (see below), whose sum is σ = 144156983040. Its totient is φ = 43247091456.
The previous prime is 80412563839. The next prime is 80412563909. The reversal of 80412563889 is 98836521408.
80412563889 is a `hidden beast` number, since 8 + 0 + 4 + 1 + 256 + 388 + 9 = 666.
It is not a de Polignac number, because 80412563889 - 27 = 80412563761 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80412563839) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12510414 + ... + 12516839.
It is an arithmetic number, because the mean of its divisors is an integer number (4504905720).
Almost surely, 280412563889 is an apocalyptic number.
It is an amenable number.
80412563889 is a deficient number, since it is larger than the sum of its proper divisors (63744419151).
80412563889 is a wasteful number, since it uses less digits than its factorization.
80412563889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25027286 (or 25027280 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 54.
The spelling of 80412563889 in words is "eighty billion, four hundred twelve million, five hundred sixty-three thousand, eight hundred eighty-nine".
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