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12144254013 = 327431816099
BaseRepresentation
bin10110100111101101…
…01001110000111101
31011100100120000122200
423103312221300331
5144332412112023
65325021302113
7606642312243
oct132366516075
934310500580
1012144254013
115172129871
12242b104939
1311b7001228
14832c4c793
154b1267743
hex2d3da9c3d

12144254013 has 12 divisors (see below), whose sum is σ = 17565319200. Its totient is φ = 8085268296.

The previous prime is 12144254009. The next prime is 12144254029. The reversal of 12144254013 is 31045244121.

12144254013 is a `hidden beast` number, since 1 + 214 + 42 + 5 + 401 + 3 = 666.

It is not a de Polignac number, because 12144254013 - 22 = 12144254009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144254063) 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, 901363 + ... + 914736.

It is an arithmetic number, because the mean of its divisors is an integer number (1463776600).

Almost surely, 212144254013 is an apocalyptic number.

It is an amenable number.

12144254013 is a deficient number, since it is larger than the sum of its proper divisors (5421065187).

12144254013 is a wasteful number, since it uses less digits than its factorization.

12144254013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816848 (or 1816845 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12144254013 its reverse (31045244121), we get a palindrome (43189498134).

The spelling of 12144254013 in words is "twelve billion, one hundred forty-four million, two hundred fifty-four thousand, thirteen".

Divisors: 1 3 9 743 2229 6687 1816099 5448297 16344891 1349361557 4048084671 12144254013