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12144043234 = 29762598161
BaseRepresentation
bin10110100111101011…
…10110010011100010
31011100100011022112001
423103311312103202
5144332333340414
65325012554214
7606640443601
oct132365662342
934310138461
1012144043234
115171aa5474
12242b02296a
1311b6c592cb
14832bd5a38
154b1225074
hex2d3d764e2

12144043234 has 8 divisors (see below), whose sum is σ = 18403859628. Its totient is φ = 6009423360.

The previous prime is 12144043231. The next prime is 12144043333. The reversal of 12144043234 is 43234044121.

It can be written as a sum of positive squares in 2 ways, for example, as 10181819025 + 1962224209 = 100905^2 + 44297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121440432342 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12144043231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31298887 + ... + 31299274.

Almost surely, 212144043234 is an apocalyptic number.

12144043234 is a deficient number, since it is larger than the sum of its proper divisors (6259816394).

12144043234 is an equidigital number, since it uses as much as digits as its factorization.

12144043234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62598260.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12144043234 its reverse (43234044121), we get a palindrome (55378087355).

The spelling of 12144043234 in words is "twelve billion, one hundred forty-four million, forty-three thousand, two hundred thirty-four".

Divisors: 1 2 97 194 62598161 125196322 6072021617 12144043234