Base | Representation |
---|---|
bin | 100101011111010111… |
… | …0101111001000101101 |
3 | 21200210211111220222110 |
4 | 1022332232233020231 |
5 | 2304340342142221 |
6 | 100552510234233 |
7 | 5550045022362 |
oct | 1127656571055 |
9 | 250724456873 |
10 | 80509334061 |
11 | 31164469322 |
12 | 1372a4b5979 |
13 | 7790807610 |
14 | 3c7a680469 |
15 | 216307c776 |
hex | 12bebaf22d |
80509334061 has 16 divisors (see below), whose sum is σ = 115651468800. Its totient is φ = 49523496000.
The previous prime is 80509334053. The next prime is 80509334099. The reversal of 80509334061 is 16043390508.
It is not a de Polignac number, because 80509334061 - 23 = 80509334053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80509334161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336690 + ... + 523811.
It is an arithmetic number, because the mean of its divisors is an integer number (7228216800).
Almost surely, 280509334061 is an apocalyptic number.
It is an amenable number.
80509334061 is a deficient number, since it is larger than the sum of its proper divisors (35142134739).
80509334061 is a wasteful number, since it uses less digits than its factorization.
80509334061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 862916.
The product of its (nonzero) digits is 77760, while the sum is 39.
The spelling of 80509334061 in words is "eighty billion, five hundred nine million, three hundred thirty-four thousand, sixty-one".
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