Base | Representation |
---|---|
bin | 100101101000001010… |
… | …1110111001010000000 |
3 | 21201120102111022102220 |
4 | 1023100111313022000 |
5 | 2310442012200300 |
6 | 101042103211040 |
7 | 5560263331422 |
oct | 1132025671200 |
9 | 251512438386 |
10 | 80804803200 |
11 | 312a62286a0 |
12 | 137b1446a80 |
13 | 7809aaa024 |
14 | 3ca79d4812 |
15 | 217de93da0 |
hex | 12d0577280 |
80804803200 has 384 divisors, whose sum is σ = 298207967040. Its totient is φ = 19058688000.
The previous prime is 80804803171. The next prime is 80804803231. The reversal of 80804803200 is 230840808.
It is a tau number, because it is divible by the number of its divisors (384).
It is a Harshad number since it is a multiple of its sum of digits (33).
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, 3896860 + ... + 3917540.
Almost surely, 280804803200 is an apocalyptic number.
80804803200 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 80804803200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149103983520).
80804803200 is an abundant number, since it is smaller than the sum of its proper divisors (217403163840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80804803200 is a wasteful number, since it uses less digits than its factorization.
80804803200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20756 (or 20739 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 33.
The spelling of 80804803200 in words is "eighty billion, eight hundred four million, eight hundred three thousand, two hundred".
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