Base | Representation |
---|---|
bin | 100101101001001011… |
… | …1000001001111100100 |
3 | 21201122210012110201220 |
4 | 1023102113001033210 |
5 | 2311024144123332 |
6 | 101045313020340 |
7 | 5561154165450 |
oct | 1132227011744 |
9 | 251583173656 |
10 | 80838661092 |
11 | 31313353622 |
12 | 138008546b0 |
13 | 7813b02c97 |
14 | 3cac2c9660 |
15 | 2181e30d2c |
hex | 12d25c13e4 |
80838661092 has 48 divisors (see below), whose sum is σ = 215752559232. Its totient is φ = 23077175040.
The previous prime is 80838661081. The next prime is 80838661093. The reversal of 80838661092 is 29016683808.
It is not an unprimeable number, because it can be changed into a prime (80838661093) 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 15 ways as a sum of consecutive naturals, for example, 308233 + ... + 506640.
It is an arithmetic number, because the mean of its divisors is an integer number (4494844984).
Almost surely, 280838661092 is an apocalyptic number.
It is an amenable number.
80838661092 is an abundant number, since it is smaller than the sum of its proper divisors (134913898140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80838661092 is a wasteful number, since it uses less digits than its factorization.
80838661092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 816068 (or 816066 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 51.
The spelling of 80838661092 in words is "eighty billion, eight hundred thirty-eight million, six hundred sixty-one thousand, ninety-two".
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