Base | Representation |
---|---|
bin | 100101101001010110… |
… | …0010000000000000000 |
3 | 21201200011200020010100 |
4 | 1023102230100000000 |
5 | 2311032110222220 |
6 | 101050032202400 |
7 | 5561252405346 |
oct | 1132254200000 |
9 | 251604606110 |
10 | 80844226560 |
11 | 31316504a89 |
12 | 13802699400 |
13 | 7815001266 |
14 | 3cacd37996 |
15 | 218267ed90 |
hex | 12d2b10000 |
80844226560 has 408 divisors, whose sum is σ = 284623297920. Its totient is φ = 21224226816.
The previous prime is 80844226531. The next prime is 80844226577. The reversal of 80844226560 is 6562244808.
80844226560 is a `hidden beast` number, since 8 + 0 + 84 + 4 + 2 + 2 + 6 + 560 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232980307 + ... + 232980653.
Almost surely, 280844226560 is an apocalyptic number.
80844226560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80844226560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142311648960).
80844226560 is an abundant number, since it is smaller than the sum of its proper divisors (203779071360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80844226560 is an equidigital number, since it uses as much as digits as its factorization.
80844226560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469 (or 436 counting only the distinct ones).
The product of its (nonzero) digits is 737280, while the sum is 45.
The spelling of 80844226560 in words is "eighty billion, eight hundred forty-four million, two hundred twenty-six thousand, five hundred sixty".
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