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12344042400 = 2535247109433
BaseRepresentation
bin10110111111100001…
…10010001110100000
31011212021111022210120
423133300302032200
5200240033324100
65400515400240
7614616425544
oct133760621640
934767438716
1012344042400
115264987838
122485bb3080
131219513101
148515b7a24
154c3a7e0a0
hex2dfc323a0

12344042400 has 144 divisors (see below), whose sum is σ = 41035123584. Its totient is φ = 3221678080.

The previous prime is 12344042351. The next prime is 12344042423. The reversal of 12344042400 is 424044321.

It is a happy number.

12344042400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 58084 + ... + 167516.

It is an arithmetic number, because the mean of its divisors is an integer number (284966136).

Almost surely, 212344042400 is an apocalyptic number.

12344042400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12344042400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20517561792).

12344042400 is an abundant number, since it is smaller than the sum of its proper divisors (28691081184).

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

12344042400 is a wasteful number, since it uses less digits than its factorization.

12344042400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109503 (or 109490 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12344042400 its reverse (424044321), we get a palindrome (12768086721).

The spelling of 12344042400 in words is "twelve billion, three hundred forty-four million, forty-two thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 47 48 50 60 75 80 94 96 100 120 141 150 160 188 200 235 240 282 300 376 400 470 480 564 600 705 752 800 940 1128 1175 1200 1410 1504 1880 2256 2350 2400 2820 3525 3760 4512 4700 5640 7050 7520 9400 11280 14100 18800 22560 28200 37600 56400 109433 112800 218866 328299 437732 547165 656598 875464 1094330 1313196 1641495 1750928 2188660 2626392 2735825 3282990 3501856 4377320 5143351 5252784 5471650 6565980 8207475 8754640 10286702 10505568 10943300 13131960 15430053 16414950 17509280 20573404 21886600 25716755 26263920 30860106 32829900 41146808 43773200 51433510 52527840 61720212 65659800 77150265 82293616 87546400 102867020 123440424 128583775 131319600 154300530 164587232 205734040 246880848 257167550 262639200 308601060 385751325 411468080 493761696 514335100 617202120 771502650 822936160 1028670200 1234404240 1543005300 2057340400 2468808480 3086010600 4114680800 6172021200 12344042400