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12143134311 = 371152567681
BaseRepresentation
bin10110100111100100…
…11000011001100111
31011100021110010201020
423103302120121213
5144332120244221
65324541302223
7606626636640
oct132362303147
934307403636
1012143134311
1151715345a0
12242a864973
1311b69cb699
14832a3a6c7
154b10e5ac6
hex2d3c98667

12143134311 has 16 divisors (see below), whose sum is σ = 20185989888. Its totient is φ = 6308121600.

The previous prime is 12143134307. The next prime is 12143134351. The reversal of 12143134311 is 11343134121.

It is a happy number.

It is not a de Polignac number, because 12143134311 - 22 = 12143134307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143134351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26283610 + ... + 26284071.

It is an arithmetic number, because the mean of its divisors is an integer number (1261624368).

Almost surely, 212143134311 is an apocalyptic number.

12143134311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12143134311 is a deficient number, since it is larger than the sum of its proper divisors (8042855577).

12143134311 is a wasteful number, since it uses less digits than its factorization.

12143134311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52567702.

The product of its digits is 864, while the sum is 24.

Adding to 12143134311 its reverse (11343134121), we get a palindrome (23486268432).

The spelling of 12143134311 in words is "twelve billion, one hundred forty-three million, one hundred thirty-four thousand, three hundred eleven".

Divisors: 1 3 7 11 21 33 77 231 52567681 157703043 367973767 578244491 1103921301 1734733473 4047711437 12143134311