Search a number
-
+
80568069105 = 3540191336453
BaseRepresentation
bin100101100001000111…
…0110010101111110001
321200221221000222022110
41023002032302233301
52310000411202410
6101002405155533
75551360200516
oct1130216625761
9250857028273
1080568069105
1131194635887
12137460bbba9
13779ca30894
143c843ad30d
1521682d0720
hex12c23b2bf1

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".

Divisors: 1 3 5 15 4019 12057 20095 60285 1336453 4009359 6682265 20046795 5371204607 16113613821 26856023035 80568069105