Base | Representation |
---|---|
bin | 1001100010110… |
… | …10000111010001 |
3 | 12120122111212211 |
4 | 10301122013101 |
5 | 130443422011 |
6 | 11535552121 |
7 | 1661335435 |
oct | 461320721 |
9 | 176574784 |
10 | 80060881 |
11 | 41212a1a |
12 | 2298b641 |
13 | 13782004 |
14 | a8c09c5 |
15 | 7066b21 |
hex | 4c5a1d1 |
80060881 has 8 divisors (see below), whose sum is σ = 82016640. Its totient is φ = 78115728.
The previous prime is 80060867. The next prime is 80060917. The reversal of 80060881 is 18806008.
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 80060881 - 213 = 80052689 is a prime.
It is a super-3 number, since 3×800608813 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80060801) 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, 13855 + ... + 18763.
It is an arithmetic number, because the mean of its divisors is an integer number (10252080).
Almost surely, 280060881 is an apocalyptic number.
It is an amenable number.
80060881 is a deficient number, since it is larger than the sum of its proper divisors (1955759).
80060881 is a wasteful number, since it uses less digits than its factorization.
80060881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5303.
The product of its (nonzero) digits is 3072, while the sum is 31.
The square root of 80060881 is about 8947.6746141106. The cubic root of 80060881 is about 430.9962137396.
Adding to 80060881 its reverse (18806008), we get a palindrome (98866889).
The spelling of 80060881 in words is "eighty million, sixty thousand, eight hundred eighty-one".
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