Base | Representation |
---|---|
bin | 10010001111101110010100… |
… | …001101111100001000000000 |
3 | 101112010101022011020122220200 |
4 | 102033232110031330020000 |
5 | 41004214444313021110 |
6 | 442400113151205200 |
7 | 22621351562332245 |
oct | 2217562415741000 |
9 | 345111264218820 |
10 | 80245360673280 |
11 | 23628959120580 |
12 | 9000108b16800 |
13 | 35a1149a1486a |
14 | 15b5c7918d5cc |
15 | 9425752e26c0 |
hex | 48fb9437c200 |
80245360673280 has 480 divisors, whose sum is σ = 304870901924160. Its totient is φ = 19344731504640.
The previous prime is 80245360673263. The next prime is 80245360673287. The reversal of 80245360673280 is 8237606354208.
80245360673280 is a `hidden beast` number, since 8 + 0 + 2 + 4 + 5 + 3 + 606 + 7 + 3 + 28 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (480).
It is not an unprimeable number, because it can be changed into a prime (80245360673287) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44481334 + ... + 46250186.
It is an arithmetic number, because the mean of its divisors is an integer number (635147712342).
Almost surely, 280245360673280 is an apocalyptic number.
80245360673280 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 80245360673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152435450962080).
80245360673280 is an abundant number, since it is smaller than the sum of its proper divisors (224625541250880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80245360673280 is a wasteful number, since it uses less digits than its factorization.
80245360673280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1769072 (or 1769053 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 54.
The spelling of 80245360673280 in words is "eighty trillion, two hundred forty-five billion, three hundred sixty million, six hundred seventy-three thousand, two hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •