Search a number
-
+
80894467291 = 1133122217651
BaseRepresentation
bin100101101010110101…
…1111001110011011011
321201210200012201110011
41023111223321303123
52311132440423131
6101055025102351
75562432424651
oct1132553716333
9251720181404
1080894467291
11313418aa650
12138174879b7
1378225420c1
143cb5894dd1
152186ca60b1
hex12d5af9cdb

80894467291 has 8 divisors (see below), whose sum is σ = 88515125568. Its totient is φ = 73318245000.

The previous prime is 80894467289. The next prime is 80894467301. The reversal of 80894467291 is 19276449808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80894467291 - 21 = 80894467289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80894467211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11105185 + ... + 11112466.

It is an arithmetic number, because the mean of its divisors is an integer number (11064390696).

Almost surely, 280894467291 is an apocalyptic number.

80894467291 is a deficient number, since it is larger than the sum of its proper divisors (7620658277).

80894467291 is a wasteful number, since it uses less digits than its factorization.

80894467291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22217993.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 80894467291 in words is "eighty billion, eight hundred ninety-four million, four hundred sixty-seven thousand, two hundred ninety-one".

Divisors: 1 11 331 3641 22217651 244394161 7354042481 80894467291