Search a number
-
+
105955876889 is a prime number
BaseRepresentation
bin110001010101101110…
…1100110000000011001
3101010111020200020101122
41202223131212000121
53213444201030024
6120401522055025
710440454044032
oct1425335460031
9333436606348
10105955876889
1140a3236a605
12186504aa475
139cb76ca055
1451b2065a89
152b52058d5e
hex18ab766019

105955876889 has 2 divisors, whose sum is σ = 105955876890. Its totient is φ = 105955876888.

The previous prime is 105955876853. The next prime is 105955876963. The reversal of 105955876889 is 988678559501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69863476489 + 36092400400 = 264317^2 + 189980^2 .

It is an emirp because it is prime and its reverse (988678559501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105955876889 is a prime.

It is a super-2 number, since 2×1059558768892 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105955876289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52977938444 + 52977938445.

It is an arithmetic number, because the mean of its divisors is an integer number (52977938445).

Almost surely, 2105955876889 is an apocalyptic number.

It is an amenable number.

105955876889 is a deficient number, since it is larger than the sum of its proper divisors (1).

105955876889 is an equidigital number, since it uses as much as digits as its factorization.

105955876889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728000, while the sum is 71.

The spelling of 105955876889 in words is "one hundred five billion, nine hundred fifty-five million, eight hundred seventy-six thousand, eight hundred eighty-nine".