Base | Representation |
---|---|
bin | 100101011101100011… |
… | …0010000100101000101 |
3 | 21200122120211201111022 |
4 | 1022323012100211011 |
5 | 2304224242011433 |
6 | 100542452120525 |
7 | 5545405021301 |
oct | 1127306204505 |
9 | 250576751438 |
10 | 80448391493 |
11 | 31133024268 |
12 | 13712006145 |
13 | 7780cba622 |
14 | 3c72538d01 |
15 | 215ca40698 |
hex | 12bb190945 |
80448391493 has 8 divisors (see below), whose sum is σ = 83274831360. Its totient is φ = 77636409840.
The previous prime is 80448391489. The next prime is 80448391523. The reversal of 80448391493 is 39419384408.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80448391493 - 22 = 80448391489 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80448391403) 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, 3603230 + ... + 3625487.
It is an arithmetic number, because the mean of its divisors is an integer number (10409353920).
Almost surely, 280448391493 is an apocalyptic number.
It is an amenable number.
80448391493 is a deficient number, since it is larger than the sum of its proper divisors (2826439867).
80448391493 is a wasteful number, since it uses less digits than its factorization.
80448391493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7229107.
The product of its (nonzero) digits is 2985984, while the sum is 53.
The spelling of 80448391493 in words is "eighty billion, four hundred forty-eight million, three hundred ninety-one thousand, four hundred ninety-three".
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