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443343320024020 = 2251325310124503393
BaseRepresentation
bin110010011001101111110100…
…1000110101000001111010100
32011010202012121020122122220121
41210303133221012220033110
5431102214104411232040
64210525035354241324
7162245332523221003
oct14463375106501724
92133665536578817
10443343320024020
11119298934242989
1241882aa4a26244
131604c1322c9c00
147b69d07238c3a
15363c59ce40c4a
hex19337e91a83d4

443343320024020 has 144 divisors (see below), whose sum is σ = 1037338639252272. Its totient is φ = 159017212723200.

The previous prime is 443343320023889. The next prime is 443343320024021. The reversal of 443343320024020 is 20420023343344.

It can be written as a sum of positive squares in 24 ways, for example, as 344669175911824 + 98674144112196 = 18565268^2 + 9933486^2 .

It is a super-2 number, since 2×4433433200240202 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443343320024021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5841444 + ... + 30344836.

It is an arithmetic number, because the mean of its divisors is an integer number (7203740550363).

Almost surely, 2443343320024020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 443343320024020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518669319626136).

443343320024020 is an abundant number, since it is smaller than the sum of its proper divisors (593995319228252).

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

443343320024020 is a wasteful number, since it uses less digits than its factorization.

443343320024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24503582 (or 24503567 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 443343320024020 its reverse (20420023343344), we get a palindrome (463763343367364).

The spelling of 443343320024020 in words is "four hundred forty-three trillion, three hundred forty-three billion, three hundred twenty million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 53 65 101 106 130 169 202 212 260 265 338 404 505 530 676 689 845 1010 1060 1313 1378 1690 2020 2626 2756 3380 3445 5252 5353 6565 6890 8957 10706 13130 13780 17069 17914 21412 26260 26765 34138 35828 44785 53530 68276 69589 85345 89570 107060 139178 170690 179140 278356 341380 347945 695890 904657 1391780 1809314 3618628 4523285 9046570 18093140 24503393 49006786 98013572 122516965 245033930 318544109 490067860 637088218 1274176436 1298679829 1592720545 2474842693 2597359658 3185441090 4141073417 4949685386 5194719316 6370882180 6493399145 8282146834 9899370772 12374213465 12986798290 16564293668 16882837777 20705367085 24748426930 25973596580 32172955009 33765675554 41410734170 49496853860 64345910018 67531351108 82821468340 84414188885 128691820036 131166662729 160864775045 168828377770 219476891101 262333325458 321729550090 337656755540 418248415117 438953782202 524666650916 643459100180 655833313645 836496830234 877907564404 1097384455505 1311666627290 1672993660468 1705166615477 2091242075585 2194768911010 2623333254580 3410333230954 4182484151170 4389537822020 6820666461908 8364968302340 8525833077385 17051666154770 22167166001201 34103332309540 44334332002402 88668664004804 110835830006005 221671660012010 443343320024020