Base | Representation |
---|---|
bin | 100101100001000111… |
… | …0110010101111110001 |
3 | 21200221221000222022110 |
4 | 1023002032302233301 |
5 | 2310000411202410 |
6 | 101002405155533 |
7 | 5551360200516 |
oct | 1130216625761 |
9 | 250857028273 |
10 | 80568069105 |
11 | 31194635887 |
12 | 137460bbba9 |
13 | 779ca30894 |
14 | 3c843ad30d |
15 | 21682d0720 |
hex | 12c23b2bf1 |
80568069105 has 16 divisors (see below), whose sum is σ = 128941081920. Its totient is φ = 42958913088.
The previous prime is 80568069103. The next prime is 80568069119. The reversal of 80568069105 is 50196086508.
It is not a de Polignac number, because 80568069105 - 21 = 80568069103 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80568069103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607942 + ... + 728511.
It is an arithmetic number, because the mean of its divisors is an integer number (8058817620).
Almost surely, 280568069105 is an apocalyptic number.
It is an amenable number.
80568069105 is a deficient number, since it is larger than the sum of its proper divisors (48373012815).
80568069105 is a wasteful number, since it uses less digits than its factorization.
80568069105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1340480.
The product of its (nonzero) digits is 518400, while the sum is 48.
The spelling of 80568069105 in words is "eighty billion, five hundred sixty-eight million, sixty-nine thousand, one hundred five".
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