Base | Representation |
---|---|
bin | 100101101000010001… |
… | …1110000001000011000 |
3 | 21201120200100022021122 |
4 | 1023100203300020120 |
5 | 2310443430210230 |
6 | 101042313224412 |
7 | 5560336305323 |
oct | 1132043601030 |
9 | 251520308248 |
10 | 80808444440 |
11 | 312a8295389 |
12 | 137b2702108 |
13 | 780a7834c9 |
14 | 3ca82a17ba |
15 | 217e462be5 |
hex | 12d08f0218 |
80808444440 has 64 divisors (see below), whose sum is σ = 182640096000. Its totient is φ = 32177727360.
The previous prime is 80808444433. The next prime is 80808444473. The reversal of 80808444440 is 4444480808.
It is a junction number, because it is equal to n+sod(n) for n = 80808444391 and 80808444400.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8884295 + ... + 8893385.
It is an arithmetic number, because the mean of its divisors is an integer number (2853751500).
Almost surely, 280808444440 is an apocalyptic number.
It is an amenable number.
80808444440 is an abundant number, since it is smaller than the sum of its proper divisors (101831651560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80808444440 is a wasteful number, since it uses less digits than its factorization.
80808444440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10080 (or 10076 counting only the distinct ones).
The product of its (nonzero) digits is 524288, while the sum is 44.
The spelling of 80808444440 in words is "eighty billion, eight hundred eight million, four hundred forty-four thousand, four hundred forty".
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