Base | Representation |
---|---|
bin | 100101101000010001… |
… | …0100001100001010000 |
3 | 21201120122201221121000 |
4 | 1023100202201201100 |
5 | 2310443334404243 |
6 | 101042302302000 |
7 | 5560333464504 |
oct | 1132042414120 |
9 | 251518657530 |
10 | 80808122448 |
11 | 312a8095479 |
12 | 137b2587900 |
13 | 780a69ca91 |
14 | 3ca821a304 |
15 | 217e3ec5d3 |
hex | 12d08a1850 |
80808122448 has 80 divisors (see below), whose sum is σ = 234555523200. Its totient is φ = 26633376000.
The previous prime is 80808122407. The next prime is 80808122477. The reversal of 80808122448 is 84422180808.
80808122448 is a `hidden beast` number, since 8 + 0 + 80 + 8 + 122 + 448 = 666.
It is a congruent 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, 1012428 + ... + 1089323.
It is an arithmetic number, because the mean of its divisors is an integer number (2931944040).
Almost surely, 280808122448 is an apocalyptic number.
It is an amenable number.
80808122448 is an abundant number, since it is smaller than the sum of its proper divisors (153747400752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80808122448 is a wasteful number, since it uses less digits than its factorization.
80808122448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2101857 (or 2101845 counting only the distinct ones).
The product of its (nonzero) digits is 262144, while the sum is 45.
It can be divided in two parts, 8080 and 8122448, that added together give a triangular number (8130528 = T4032).
The spelling of 80808122448 in words is "eighty billion, eight hundred eight million, one hundred twenty-two thousand, four hundred forty-eight".
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