Base | Representation |
---|---|
bin | 1100100101011011011… |
… | …0001111100001111000 |
3 | 202200001201122120002110 |
4 | 3021112312033201320 |
5 | 12020242042043020 |
6 | 243153504332320 |
7 | 21422525534223 |
oct | 3112666174170 |
9 | 680051576073 |
10 | 216205424760 |
11 | 83768364726 |
12 | 35a9a9140a0 |
13 | 1750780b900 |
14 | a6704485ba |
15 | 5955ee68e0 |
hex | 3256d8f878 |
216205424760 has 192 divisors, whose sum is σ = 702788076000. Its totient is φ = 53186445312.
The previous prime is 216205424753. The next prime is 216205424789. The reversal of 216205424760 is 67424502612.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53395216 + ... + 53399264.
Almost surely, 2216205424760 is an apocalyptic number.
216205424760 is a gapful number since it is divisible by the number (20) 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 216205424760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351394038000).
216205424760 is an abundant number, since it is smaller than the sum of its proper divisors (486582651240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
216205424760 is a wasteful number, since it uses less digits than its factorization.
216205424760 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6722 (or 6705 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 39.
The spelling of 216205424760 in words is "two hundred sixteen billion, two hundred five million, four hundred twenty-four thousand, seven hundred sixty".
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