Search a number
-
+
110072831989 is a prime number
BaseRepresentation
bin110011010000011011…
…0100001111111110101
3101112010011110020002011
41212200312201333311
53300412121110424
6122322230444221
710644464430421
oct1464066417765
9345104406064
10110072831989
114275527593a
12193bb203671
13a4c261a763
145482b41b81
152ce36d2694
hex19a0da1ff5

110072831989 has 2 divisors, whose sum is σ = 110072831990. Its totient is φ = 110072831988.

The previous prime is 110072831987. The next prime is 110072832043. The reversal of 110072831989 is 989138270011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56540755089 + 53532076900 = 237783^2 + 231370^2 .

It is an emirp because it is prime and its reverse (989138270011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110072831989 - 21 = 110072831987 is a prime.

It is a super-2 number, since 2×1100728319892 (a number of 23 digits) contains 22 as substring.

Together with 110072831987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110072831987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55036415994 + 55036415995.

It is an arithmetic number, because the mean of its divisors is an integer number (55036415995).

Almost surely, 2110072831989 is an apocalyptic number.

It is an amenable number.

110072831989 is a deficient number, since it is larger than the sum of its proper divisors (1).

110072831989 is an equidigital number, since it uses as much as digits as its factorization.

110072831989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 110072831989 in words is "one hundred ten billion, seventy-two million, eight hundred thirty-one thousand, nine hundred eighty-nine".