Base | Representation |
---|---|
bin | 1001100111011… |
… | …11000011000000 |
3 | 12121210111200120 |
4 | 10303233003000 |
5 | 131122432122 |
6 | 12001020240 |
7 | 1666456110 |
oct | 463570300 |
9 | 177714616 |
10 | 80670912 |
11 | 4159a283 |
12 | 23024680 |
13 | 1393688a |
14 | a9dd040 |
15 | 713775c |
hex | 4cef0c0 |
80670912 has 112 divisors (see below), whose sum is σ = 245985792. Its totient is φ = 22855680.
The previous prime is 80670911. The next prime is 80670917. The reversal of 80670912 is 21907608.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80670911) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259237 + ... + 259547.
Almost surely, 280670912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80670912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122992896).
80670912 is an abundant number, since it is smaller than the sum of its proper divisors (165314880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80670912 is a wasteful number, since it uses less digits than its factorization.
80670912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526 (or 516 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 33.
The square root of 80670912 is about 8981.6987257423. The cubic root of 80670912 is about 432.0881164561.
The spelling of 80670912 in words is "eighty million, six hundred seventy thousand, nine hundred twelve".
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