Base | Representation |
---|---|
bin | 1001100110001… |
… | …11110001101101 |
3 | 12121111100001010 |
4 | 10303013301231 |
5 | 131102310221 |
6 | 11553335433 |
7 | 1665216132 |
oct | 463076155 |
9 | 177440033 |
10 | 80510061 |
11 | 4149a445 |
12 | 22b67579 |
13 | 138ab5b8 |
14 | a99a589 |
15 | 7104c76 |
hex | 4cc7c6d |
80510061 has 16 divisors (see below), whose sum is σ = 113636160. Its totient is φ = 50615040.
The previous prime is 80510041. The next prime is 80510077. The reversal of 80510061 is 16001508.
It is not a de Polignac number, because 80510061 - 29 = 80509549 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80510041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7020 + ... + 14501.
It is an arithmetic number, because the mean of its divisors is an integer number (7102260).
Almost surely, 280510061 is an apocalyptic number.
It is an amenable number.
80510061 is a deficient number, since it is larger than the sum of its proper divisors (33126099).
80510061 is a wasteful number, since it uses less digits than its factorization.
80510061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21596.
The product of its (nonzero) digits is 240, while the sum is 21.
The square root of 80510061 is about 8972.7398825554. The cubic root of 80510061 is about 431.8007429418.
Adding to 80510061 its reverse (16001508), we get a palindrome (96511569).
The spelling of 80510061 in words is "eighty million, five hundred ten thousand, sixty-one".
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