Search a number
-
+
80855267219 = 411119668029
BaseRepresentation
bin100101101001101011…
…0010111011110010011
321201200221110011001122
41023103112113132103
52311042422022334
6101051104552455
75561445301016
oct1132326273623
9251627404048
1080855267219
1131321765aa1
121380632272b
1378173986ac
143cb05ad37d
15218361132e
hex12d3597793

80855267219 has 4 divisors (see below), whose sum is σ = 80874939360. Its totient is φ = 80835595080.

The previous prime is 80855267203. The next prime is 80855267231. The reversal of 80855267219 is 91276255808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80855267219 - 24 = 80855267203 is a prime.

It is a super-2 number, since 2×808552672192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80855467219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9829904 + ... + 9838125.

It is an arithmetic number, because the mean of its divisors is an integer number (20218734840).

Almost surely, 280855267219 is an apocalyptic number.

80855267219 is a deficient number, since it is larger than the sum of its proper divisors (19672141).

80855267219 is a wasteful number, since it uses less digits than its factorization.

80855267219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672140.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 80855267219 in words is "eighty billion, eight hundred fifty-five million, two hundred sixty-seven thousand, two hundred nineteen".

Divisors: 1 4111 19668029 80855267219