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12744474158424 = 23317926361318401
BaseRepresentation
bin1011100101110100110111…
…0110101110010101011000
31200010100201022112211120010
42321131031312232111120
53132301140341032144
643034421451001520
72453520643651341
oct271351566562530
950110638484503
1012744474158424
1140739a0461a28
121519b6a7392a0
13715a4cb385a8
14320b9b7910c8
151717a66965b9
hexb974ddae558

12744474158424 has 128 divisors (see below), whose sum is σ = 32215218393600. Its totient is φ = 4201269350400.

The previous prime is 12744474158407. The next prime is 12744474158431. The reversal of 12744474158424 is 42485147444721.

It is a happy number.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692587624 + ... + 692606024.

It is an arithmetic number, because the mean of its divisors is an integer number (251681393700).

Almost surely, 212744474158424 is an apocalyptic number.

It is an amenable number.

12744474158424 is an abundant number, since it is smaller than the sum of its proper divisors (19470744235176).

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

12744474158424 is a wasteful number, since it uses less digits than its factorization.

12744474158424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19465 (or 19461 counting only the distinct ones).

The product of its digits is 32112640, while the sum is 57.

The spelling of 12744474158424 in words is "twelve trillion, seven hundred forty-four billion, four hundred seventy-four million, one hundred fifty-eight thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 179 263 358 526 537 613 716 789 1052 1074 1226 1432 1578 1839 2104 2148 2452 3156 3678 4296 4904 6312 7356 14712 18401 36802 47077 55203 73604 94154 109727 110406 141231 147208 161219 188308 219454 220812 282462 322438 329181 376616 438908 441624 483657 564924 644876 658362 877816 967314 1129848 1289752 1316724 1934628 2633448 3293779 3869256 4839463 6587558 9678926 9881337 11279813 13175116 14518389 19357852 19762674 22559626 26350232 28858201 29036778 33839439 38715704 39525348 45119252 57716402 58073556 67678878 79050696 86574603 90238504 115432804 116147112 135357756 173149206 230865608 270715512 346298412 692596824 866263877 1732527754 2019086527 2598791631 2966590819 3465055508 4038173054 5197583262 5933181638 6057259581 6930111016 8076346108 8899772457 10395166524 11866363276 12114519162 16152692216 17799544914 20790333048 23732726552 24229038324 35599089828 48458076648 71198179656 531019756601 1062039513202 1593059269803 2124079026404 3186118539606 4248158052808 6372237079212 12744474158424