Base | Representation |
---|---|
bin | 100101101010100010… |
… | …1110101101010011100 |
3 | 21201202222102202121122 |
4 | 1023111011311222130 |
5 | 2311122412120420 |
6 | 101054031150112 |
7 | 5562251545220 |
oct | 1132505655234 |
9 | 251688382548 |
10 | 80884488860 |
11 | 3133720470a |
12 | 13814075338 |
13 | 782045a2c6 |
14 | 3cb4418780 |
15 | 2185e84725 |
hex | 12d5175a9c |
80884488860 has 96 divisors (see below), whose sum is σ = 203781795840. Its totient is φ = 26382297600.
The previous prime is 80884488827. The next prime is 80884488869. The reversal of 80884488860 is 6888448808.
It is a Harshad number since it is a multiple of its sum of digits (62).
It is a junction number, because it is equal to n+sod(n) for n = 80884488793 and 80884488802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80884488869) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98120 + ... + 414000.
It is an arithmetic number, because the mean of its divisors is an integer number (2122727040).
Almost surely, 280884488860 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80884488860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101890897920).
80884488860 is an abundant number, since it is smaller than the sum of its proper divisors (122897306980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80884488860 is a wasteful number, since it uses less digits than its factorization.
80884488860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315987 (or 315985 counting only the distinct ones).
The product of its (nonzero) digits is 25165824, while the sum is 62.
The spelling of 80884488860 in words is "eighty billion, eight hundred eighty-four million, four hundred eighty-eight thousand, eight hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •