Base | Representation |
---|---|
bin | 1001100110011… |
… | …11100101101111 |
3 | 12121112221221101 |
4 | 10303033211233 |
5 | 131104321223 |
6 | 11554143531 |
7 | 1665411340 |
oct | 463174557 |
9 | 177487841 |
10 | 80542063 |
11 | 41511498 |
12 | 22b81ba7 |
13 | 138c0034 |
14 | a9a80c7 |
15 | 710e4ad |
hex | 4ccf96f |
80542063 has 8 divisors (see below), whose sum is σ = 93083040. Its totient is φ = 68259840.
The previous prime is 80542051. The next prime is 80542109. The reversal of 80542063 is 36024508.
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 80542063 - 25 = 80542031 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 (80542043) 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, 64018 + ... + 65263.
It is an arithmetic number, because the mean of its divisors is an integer number (11635380).
Almost surely, 280542063 is an apocalyptic number.
80542063 is a deficient number, since it is larger than the sum of its proper divisors (12540977).
80542063 is a wasteful number, since it uses less digits than its factorization.
80542063 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129377.
The product of its (nonzero) digits is 5760, while the sum is 28.
The square root of 80542063 is about 8974.5229956806. The cubic root of 80542063 is about 431.8579476220.
The spelling of 80542063 in words is "eighty million, five hundred forty-two thousand, sixty-three".
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