Base | Representation |
---|---|
bin | 1001100010110… |
… | …11111110110011 |
3 | 12120122220101011 |
4 | 10301123332303 |
5 | 130444143111 |
6 | 11540051351 |
7 | 1661366644 |
oct | 461337663 |
9 | 176586334 |
10 | 80068531 |
11 | 41218744 |
12 | 22993b57 |
13 | 1378563a |
14 | a8c36cb |
15 | 7069021 |
hex | 4c5bfb3 |
80068531 has 8 divisors (see below), whose sum is σ = 83571264. Its totient is φ = 76639680.
The previous prime is 80068529. The next prime is 80068579. The reversal of 80068531 is 13586008.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 80068531 - 21 = 80068529 is a prime.
It is a super-2 number, since 2×800685312 = 12821939312995922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80068493 and 80068502.
It is not an unprimeable number, because it can be changed into a prime (80068501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16251 + ... + 20596.
It is an arithmetic number, because the mean of its divisors is an integer number (10446408).
Almost surely, 280068531 is an apocalyptic number.
80068531 is a deficient number, since it is larger than the sum of its proper divisors (3502733).
80068531 is a wasteful number, since it uses less digits than its factorization.
80068531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36941.
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 80068531 is about 8948.1020892701. The cubic root of 80068531 is about 431.0099408599.
The spelling of 80068531 in words is "eighty million, sixty-eight thousand, five hundred thirty-one".
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