Base | Representation |
---|---|
bin | 100101011101010101… |
… | …0111111000001010000 |
3 | 21200122002101110210102 |
4 | 1022322222333001100 |
5 | 2304220424213210 |
6 | 100542034551532 |
7 | 5545260162332 |
oct | 1127252770120 |
9 | 250562343712 |
10 | 80441241680 |
11 | 31129a90528 |
12 | 1370b7385a8 |
13 | 777c686177 |
14 | 3c715d7452 |
15 | 215c0cbea5 |
hex | 12baabf050 |
80441241680 has 160 divisors (see below), whose sum is σ = 198193564800. Its totient is φ = 30317414400.
The previous prime is 80441241677. The next prime is 80441241689. The reversal of 80441241680 is 8614214408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80441241689) 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, 18536951 + ... + 18541289.
It is an arithmetic number, because the mean of its divisors is an integer number (1238709780).
Almost surely, 280441241680 is an apocalyptic number.
80441241680 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 80441241680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99096782400).
80441241680 is an abundant number, since it is smaller than the sum of its proper divisors (117752323120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80441241680 is a wasteful number, since it uses less digits than its factorization.
80441241680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4573 (or 4567 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 38.
The spelling of 80441241680 in words is "eighty billion, four hundred forty-one million, two hundred forty-one thousand, six hundred eighty".
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