Base | Representation |
---|---|
bin | 100101011101100111… |
… | …0100101010111000000 |
3 | 21200122201221121000000 |
4 | 1022323032211113000 |
5 | 2304230321330020 |
6 | 100543011000000 |
7 | 5545432410504 |
oct | 1127316452700 |
9 | 250581847000 |
10 | 80450573760 |
11 | 31134284897 |
12 | 13712899000 |
13 | 77815a29cb |
14 | 3c72946304 |
15 | 215cd22090 |
hex | 12bb3a55c0 |
80450573760 has 392 divisors, whose sum is σ = 288837928800. Its totient is φ = 21333362688.
The previous prime is 80450573729. The next prime is 80450573761. The reversal of 80450573760 is 6737505408.
80450573760 is a `hidden beast` number, since 8 + 0 + 4 + 5 + 0 + 573 + 76 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80450573761) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 46421854 + ... + 46423586.
Almost surely, 280450573760 is an apocalyptic number.
80450573760 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 80450573760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144418964400).
80450573760 is an abundant number, since it is smaller than the sum of its proper divisors (208387355040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80450573760 is a wasteful number, since it uses less digits than its factorization.
80450573760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1967 (or 1942 counting only the distinct ones).
The product of its (nonzero) digits is 705600, while the sum is 45.
The spelling of 80450573760 in words is "eighty billion, four hundred fifty million, five hundred seventy-three thousand, seven hundred sixty".
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