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12144130332 = 2231012010861
BaseRepresentation
bin10110100111101100…
…01011100100011100
31011100100022201222220
423103312023210130
5144332344132312
65325014505340
7606641255535
oct132366134434
934310281886
1012144130332
115172054954
12242b065250
1311b6c89b49
14832c1968c
154b1240c8c
hex2d3d8b91c

12144130332 has 12 divisors (see below), whose sum is σ = 28336304136. Its totient is φ = 4048043440.

The previous prime is 12144130291. The next prime is 12144130357. The reversal of 12144130332 is 23303144121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506005419 + ... + 506005442.

It is an arithmetic number, because the mean of its divisors is an integer number (2361358678).

Almost surely, 212144130332 is an apocalyptic number.

12144130332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12144130332 is an abundant number, since it is smaller than the sum of its proper divisors (16192173804).

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

12144130332 is a wasteful number, since it uses less digits than its factorization.

12144130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012010868 (or 1012010866 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12144130332 its reverse (23303144121), we get a palindrome (35447274453).

The spelling of 12144130332 in words is "twelve billion, one hundred forty-four million, one hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1012010861 2024021722 3036032583 4048043444 6072065166 12144130332