Base | Representation |
---|---|
bin | 100101010000100010… |
… | …1101100101011000000 |
3 | 21122112011202121101101 |
4 | 1022201011230223000 |
5 | 2302331040134200 |
6 | 100431303344144 |
7 | 5531526043213 |
oct | 1124105545300 |
9 | 248464677341 |
10 | 80012036800 |
11 | 30a29788553 |
12 | 1360ba52054 |
13 | 771178a797 |
14 | 3c305cd77a |
15 | 213459a26a |
hex | 12a116cac0 |
80012036800 has 168 divisors, whose sum is σ = 208754228160. Its totient is φ = 30079795200.
The previous prime is 80012036777. The next prime is 80012036821. The reversal of 80012036800 is 863021008.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24777586 + ... + 24780814.
Almost surely, 280012036800 is an apocalyptic number.
80012036800 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 80012036800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104377114080).
80012036800 is an abundant number, since it is smaller than the sum of its proper divisors (128742191360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80012036800 is a wasteful number, since it uses less digits than its factorization.
80012036800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4179 (or 4164 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
Adding to 80012036800 its reverse (863021008), we get a palindrome (80875057808).
The spelling of 80012036800 in words is "eighty billion, twelve million, thirty-six thousand, eight hundred".
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