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131404304244200 = 235213220811868189
BaseRepresentation
bin11101111000001011110010…
…111000000101110111101000
3122020021010110220012100021112
4131320023302320011313220
5114210412003341303300
61143250145355325452
736451435104632441
oct3570136270056750
9566233426170245
10131404304244200
1138962286051929
12128a304b750888
1358424acb36300
1424640062b82c8
15102d1da529e35
hex7782f2e05de8

131404304244200 has 144 divisors (see below), whose sum is σ = 330983093600100. Its totient is φ = 48495171379200.

The previous prime is 131404304244193. The next prime is 131404304244203. The reversal of 131404304244200 is 2442403404131.

It can be written as a sum of positive squares in 18 ways, for example, as 12581790714724 + 118822513529476 = 3547082^2 + 10900574^2 .

It is not an unprimeable number, because it can be changed into a prime (131404304244203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69403706 + ... + 71271894.

Almost surely, 2131404304244200 is an apocalyptic number.

131404304244200 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 131404304244200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165491546800050).

131404304244200 is an abundant number, since it is smaller than the sum of its proper divisors (199578789355900).

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

131404304244200 is a wasteful number, since it uses less digits than its factorization.

131404304244200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870312 (or 1870290 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 131404304244200 its reverse (2442403404131), we get a palindrome (133846707648331).

The spelling of 131404304244200 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred four million, two hundred forty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 169 200 260 325 338 520 650 676 845 1300 1352 1690 2081 2600 3380 4162 4225 6760 8324 8450 10405 16648 16900 20810 27053 33800 41620 52025 54106 83240 104050 108212 135265 208100 216424 270530 351689 416200 541060 676325 703378 1082120 1352650 1406756 1758445 1868189 2705300 2813512 3516890 3736378 5410600 7033780 7472756 8792225 9340945 14067560 14945512 17584450 18681890 24286457 35168900 37363780 46704725 48572914 70337800 74727560 93409450 97145828 121432285 186818900 194291656 242864570 315723941 373637800 485729140 607161425 631447882 971458280 1214322850 1262895764 1578619705 2428645700 2525791528 3157239410 3887701309 4857291400 6314478820 7775402618 7893098525 12628957640 15550805236 15786197050 19438506545 31101610472 31572394100 38877013090 50540117017 63144788200 77754026180 97192532725 101080234034 155508052360 194385065450 202160468068 252700585085 388770130900 404320936136 505401170170 657021521221 777540261800 1010802340340 1263502925425 1314043042442 2021604680680 2527005850850 2628086084884 3285107606105 5054011701700 5256172169768 6570215212210 10108023403400 13140430424420 16425538030525 26280860848840 32851076061050 65702152122100 131404304244200