Base | Representation |
---|---|
bin | 1001100011010… |
… | …11110011000000 |
3 | 12120210012020110 |
4 | 10301223303000 |
5 | 131003231222 |
6 | 11541311320 |
7 | 1662056550 |
oct | 461536300 |
9 | 176705213 |
10 | 80133312 |
11 | 41262386 |
12 | 22a05540 |
13 | 137a8c7c |
14 | a8dd160 |
15 | 707d30c |
hex | 4c6bcc0 |
80133312 has 112 divisors (see below), whose sum is σ = 244977920. Its totient is φ = 22643712.
The previous prime is 80133289. The next prime is 80133323. The reversal of 80133312 is 21333108.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (112).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146223 + ... + 146769.
Almost surely, 280133312 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 80133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122488960).
80133312 is an abundant number, since it is smaller than the sum of its proper divisors (164844608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80133312 is a wasteful number, since it uses less digits than its factorization.
80133312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678 (or 668 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 80133312 is about 8951.7211752824. The cubic root of 80133312 is about 431.1261485132.
It can be divided in two parts, 8013 and 3312, that added together give a triangular number (11325 = T150).
The spelling of 80133312 in words is "eighty million, one hundred thirty-three thousand, three hundred twelve".
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