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12144422032 = 244297176641
BaseRepresentation
bin10110100111101110…
…10010110010010000
31011100100212120010121
423103313102302100
5144332433001112
65325025040024
7606643612141
oct132367226220
934310776117
1012144422032
115172234026
12242b186014
1311b705c852
14832c93ac8
154b129c407
hex2d3dd2c90

12144422032 has 20 divisors (see below), whose sum is σ = 23535426796. Its totient is φ = 6070763520.

The previous prime is 12144422029. The next prime is 12144422041. The reversal of 12144422032 is 23022444121.

12144422032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7261766656 + 4882655376 = 85216^2 + 69876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12144421988 and 12144422006.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 19569 + ... + 157072.

Almost surely, 212144422032 is an apocalyptic number.

It is an amenable number.

12144422032 is a deficient number, since it is larger than the sum of its proper divisors (11391004764).

12144422032 is a wasteful number, since it uses less digits than its factorization.

12144422032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180946 (or 180940 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12144422032 its reverse (23022444121), we get a palindrome (35166866153).

The spelling of 12144422032 in words is "twelve billion, one hundred forty-four million, four hundred twenty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 4297 8594 17188 34376 68752 176641 353282 706564 1413128 2826256 759026377 1518052754 3036105508 6072211016 12144422032