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12313324140 = 22351347335879
BaseRepresentation
bin10110111011110111…
…00110101001101100
31011210010200200021020
423131323212221230
5200204202333030
65353501134140
7614064346125
oct133573465154
934703620236
1012313324140
115249606747
12247785a350
131213049220
1484b49d04c
154c1012510
hex2ddee6a6c

12313324140 has 96 divisors (see below), whose sum is σ = 37919508480. Its totient is φ = 2966474496.

The previous prime is 12313324123. The next prime is 12313324159. The reversal of 12313324140 is 4142331321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12313324140.

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, 131280 + ... + 204599.

It is an arithmetic number, because the mean of its divisors is an integer number (394994880).

Almost surely, 212313324140 is an apocalyptic number.

12313324140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313324140 is an abundant number, since it is smaller than the sum of its proper divisors (25606184340).

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

12313324140 is a wasteful number, since it uses less digits than its factorization.

12313324140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335951 (or 335949 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12313324140 its reverse (4142331321), we get a palindrome (16455655461).

The spelling of 12313324140 in words is "twelve billion, three hundred thirteen million, three hundred twenty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 47 52 60 65 78 94 130 141 156 188 195 235 260 282 390 470 564 611 705 780 940 1222 1410 1833 2444 2820 3055 3666 6110 7332 9165 12220 18330 36660 335879 671758 1007637 1343516 1679395 2015274 3358790 4030548 4366427 5038185 6717580 8732854 10076370 13099281 15786313 17465708 20152740 21832135 26198562 31572626 43664270 47358939 52397124 63145252 65496405 78931565 87328540 94717878 130992810 157863130 189435756 205222069 236794695 261985620 315726260 410444138 473589390 615666207 820888276 947178780 1026110345 1231332414 2052220690 2462664828 3078331035 4104441380 6156662070 12313324140