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12102343113 = 3719231936833
BaseRepresentation
bin10110100010101101…
…10001100111001001
31011020102200201201010
423101112301213021
5144241144434423
65320523114133
7605623135110
oct132126614711
934212621633
1012102343113
115150503563
122419072949
1311ab418993
1482b45cc77
154ac739693
hex2d15b19c9

12102343113 has 64 divisors (see below), whose sum is σ = 20364226560. Its totient is φ = 6233407488.

The previous prime is 12102343111. The next prime is 12102343117. The reversal of 12102343113 is 31134320121.

12102343113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12102343113 - 21 = 12102343111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102343113.

It is not an unprimeable number, because it can be changed into a prime (12102343111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1767745 + ... + 1774577.

It is an arithmetic number, because the mean of its divisors is an integer number (318191040).

Almost surely, 212102343113 is an apocalyptic number.

It is an amenable number.

12102343113 is a deficient number, since it is larger than the sum of its proper divisors (8261883447).

12102343113 is a wasteful number, since it uses less digits than its factorization.

12102343113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12102343113 its reverse (31134320121), we get a palindrome (43236663234).

The spelling of 12102343113 in words is "twelve billion, one hundred two million, three hundred forty-three thousand, one hundred thirteen".

Divisors: 1 3 7 19 21 23 57 69 133 161 193 399 437 483 579 1311 1351 3059 3667 4053 4439 6833 9177 11001 13317 20499 25669 31073 47831 77007 84341 93219 129827 143493 157159 253023 389481 471477 590387 908789 1100113 1318769 1771161 2726367 2986021 3300339 3956307 8958063 9231383 20902147 25056611 27694149 30331687 62706441 75169833 90995061 175396277 212321809 526188831 576302053 636965427 1728906159 4034114371 12102343113