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12144130422 = 2329107652279
BaseRepresentation
bin10110100111101100…
…01011100101110110
31011100100022202010020
423103312023211312
5144332344133142
65325014510010
7606641256024
oct132366134566
934310282106
1012144130422
115172054a26
12242b065306
1311b6c89bb8
14832c19714
154b1240cec
hex2d3d8b976

12144130422 has 32 divisors (see below), whose sum is σ = 25360646400. Its totient is φ = 3871922208.

The previous prime is 12144130403. The next prime is 12144130457. The reversal of 12144130422 is 22403144121.

It is a junction number, because it is equal to n+sod(n) for n = 12144130392 and 12144130401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307522 + ... + 344757.

It is an arithmetic number, because the mean of its divisors is an integer number (792520200).

Almost surely, 212144130422 is an apocalyptic number.

12144130422 is an abundant number, since it is smaller than the sum of its proper divisors (13216515978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12144130422 is a wasteful number, since it uses less digits than its factorization.

12144130422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652420.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12144130422 its reverse (22403144121), we get a palindrome (34547274543).

The spelling of 12144130422 in words is "twelve billion, one hundred forty-four million, one hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 3 6 29 58 87 107 174 214 321 642 3103 6206 9309 18618 652279 1304558 1956837 3913674 18916091 37832182 56748273 69793853 113496546 139587706 209381559 418763118 2024021737 4048043474 6072065211 12144130422