Base | Representation |
---|---|
bin | 1001100100110… |
… | …01001001011111 |
3 | 12121010122001102 |
4 | 10302121021133 |
5 | 131030202241 |
6 | 11545303315 |
7 | 1663462250 |
oct | 462311137 |
9 | 177118042 |
10 | 80319071 |
11 | 413799a8 |
12 | 22a94b3b |
13 | 138426a1 |
14 | a94ab27 |
15 | 70b839b |
hex | 4c9925f |
80319071 has 8 divisors (see below), whose sum is σ = 91873920. Its totient is φ = 68784408.
The previous prime is 80319037. The next prime is 80319089. The reversal of 80319071 is 17091308.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-80319071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80313071) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760 + ... + 13538.
It is an arithmetic number, because the mean of its divisors is an integer number (11484240).
Almost surely, 280319071 is an apocalyptic number.
80319071 is a deficient number, since it is larger than the sum of its proper divisors (11554849).
80319071 is a wasteful number, since it uses less digits than its factorization.
80319071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10093.
The product of its (nonzero) digits is 1512, while the sum is 29.
The square root of 80319071 is about 8962.0907716894. The cubic root of 80319071 is about 431.4590261352.
The spelling of 80319071 in words is "eighty million, three hundred nineteen thousand, seventy-one".
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