Base | Representation |
---|---|
bin | 1001100011010… |
… | …10110010101000 |
3 | 12120202222120212 |
4 | 10301222302220 |
5 | 131003113232 |
6 | 11541240252 |
7 | 1662041543 |
oct | 461526250 |
9 | 176688525 |
10 | 80129192 |
11 | 4125a280 |
12 | 22a03088 |
13 | 137a7130 |
14 | a8db85a |
15 | 707beb2 |
hex | 4c6aca8 |
80129192 has 64 divisors (see below), whose sum is σ = 178718400. Its totient is φ = 33200640.
The previous prime is 80129131. The next prime is 80129209. The reversal of 80129192 is 29192108.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101423 + ... + 102209.
It is an arithmetic number, because the mean of its divisors is an integer number (2792475).
Almost surely, 280129192 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 80129192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89359200).
80129192 is an abundant number, since it is smaller than the sum of its proper divisors (98589208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80129192 is a wasteful number, since it uses less digits than its factorization.
80129192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 906 (or 902 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 32.
The square root of 80129192 is about 8951.4910489817. The cubic root of 80129192 is about 431.1187597002.
The spelling of 80129192 in words is "eighty million, one hundred twenty-nine thousand, one hundred ninety-two".
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