Base | Representation |
---|---|
bin | 1001100010010… |
… | …11100100100000 |
3 | 12120112111011120 |
4 | 10301023210200 |
5 | 130440020222 |
6 | 11534412240 |
7 | 1660666656 |
oct | 461134440 |
9 | 176474146 |
10 | 80001312 |
11 | 41182196 |
12 | 22961080 |
13 | 13760b71 |
14 | a8a6dd6 |
15 | 705415c |
hex | 4c4b920 |
80001312 has 24 divisors (see below), whose sum is σ = 210003696. Its totient is φ = 26667072.
The previous prime is 80001301. The next prime is 80001319. The reversal of 80001312 is 21310008.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
80001312 is a modest number, since divided by 1312 gives 800 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 80001291 and 80001300.
It is not an unprimeable number, because it can be changed into a prime (80001319) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416578 + ... + 416769.
It is an arithmetic number, because the mean of its divisors is an integer number (8750154).
Almost surely, 280001312 is an apocalyptic number.
It is an amenable number.
80001312 is an abundant number, since it is smaller than the sum of its proper divisors (130002384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80001312 is a wasteful number, since it uses less digits than its factorization.
80001312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 833360 (or 833352 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 80001312 is about 8944.3452527281. The cubic root of 80001312 is about 430.8892935088.
The spelling of 80001312 in words is "eighty million, one thousand, three hundred twelve".
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