Base | Representation |
---|---|
bin | 100101100010010101… |
… | …0011010001010101010 |
3 | 21201001202210111212101 |
4 | 1023010222122022222 |
5 | 2310041332103030 |
6 | 101010423404014 |
7 | 5552364013033 |
oct | 1130452321252 |
9 | 251052714771 |
10 | 80608862890 |
11 | 31205668856 |
12 | 137578b360a |
13 | 77a831480a |
14 | 3c8998ba8a |
15 | 216bb8c7ca |
hex | 12c4a9a2aa |
80608862890 has 8 divisors (see below), whose sum is σ = 145095953220. Its totient is φ = 32243545152.
The previous prime is 80608862837. The next prime is 80608862911. The reversal of 80608862890 is 9826880608.
It is a Cunningham number, because it is equal to 2839172+1.
It can be written as a sum of positive squares in 2 ways, for example, as 80608862889 + 1 = 283917^2 + 1^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030443135 + ... + 4030443154.
Almost surely, 280608862890 is an apocalyptic number.
80608862890 is a deficient number, since it is larger than the sum of its proper divisors (64487090330).
80608862890 is a wasteful number, since it uses less digits than its factorization.
80608862890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8060886296.
The product of its (nonzero) digits is 2654208, while the sum is 55.
The spelling of 80608862890 in words is "eighty billion, six hundred eight million, eight hundred sixty-two thousand, eight hundred ninety".
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