Search a number
-
+
12244179688909 = 72298616593729
BaseRepresentation
bin1011001000101101000111…
…1110110001110111001101
31121100112100221020112002021
42302023101332301313031
53101102040000021114
642012522024130141
72402420121065200
oct262132176616715
947315327215067
1012244179688909
1139a08002581a3
121459007006951
136aa80c9a80cc
1430489b3d7937
15163774c98024
hexb22d1fb1dcd

12244179688909 has 12 divisors (see below), whose sum is σ = 14734375278300. Its totient is φ = 10133114224128.

The previous prime is 12244179688903. The next prime is 12244179688931. The reversal of 12244179688909 is 90988697144221.

It can be written as a sum of positive squares in 2 ways, for example, as 4265786282884 + 7978393406025 = 2065378^2 + 2824605^2 .

It is not a de Polignac number, because 12244179688909 - 27 = 12244179688781 is a prime.

It is a super-3 number, since 3×122441796889093 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244179688903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4308295444 + ... + 4308298285.

It is an arithmetic number, because the mean of its divisors is an integer number (1227864606525).

Almost surely, 212244179688909 is an apocalyptic number.

It is an amenable number.

12244179688909 is a deficient number, since it is larger than the sum of its proper divisors (2490195589391).

12244179688909 is an equidigital number, since it uses as much as digits as its factorization.

12244179688909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616593772 (or 8616593765 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 70.

The spelling of 12244179688909 in words is "twelve trillion, two hundred forty-four billion, one hundred seventy-nine million, six hundred eighty-eight thousand, nine hundred nine".

Divisors: 1 7 29 49 203 1421 8616593729 60316156103 249881218141 422213092721 1749168526987 12244179688909