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43443213142 = 27172361281463
BaseRepresentation
bin101000011101011010…
…101101001101010110
311011010122001212222011
4220131122231031112
51202432430310032
631542454454434
73065364135040
oct503532551526
9134118055864
1043443213142
111747361a03a
12850506441a
1341345285a4
1421619c6a90
1511e3e28247
hexa1d6ad356

43443213142 has 128 divisors (see below), whose sum is σ = 84111187968. Its totient is φ = 16392499200.

The previous prime is 43443213139. The next prime is 43443213221. The reversal of 43443213142 is 24131234434.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93829603 + ... + 93830065.

It is an arithmetic number, because the mean of its divisors is an integer number (657118656).

Almost surely, 243443213142 is an apocalyptic number.

43443213142 is a deficient number, since it is larger than the sum of its proper divisors (40667974826).

43443213142 is a wasteful number, since it uses less digits than its factorization.

43443213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its digits is 27648, while the sum is 31.

Adding to 43443213142 its reverse (24131234434), we get a palindrome (67574447576).

The spelling of 43443213142 in words is "forty-three billion, four hundred forty-three million, two hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 17 23 34 46 61 119 122 161 238 281 322 391 427 463 562 782 854 926 1037 1403 1967 2074 2737 2806 3241 3934 4777 5474 6463 6482 7259 7871 9554 9821 10649 12926 14518 15742 17141 19642 21298 23851 28243 33439 34282 45241 47702 55097 56486 66878 74543 90482 109871 110194 119987 130103 149086 166957 181033 197701 219742 239974 260206 291397 333914 362066 394243 395402 480131 582794 649589 769097 788486 910721 960262 1267231 1299178 1538194 1821442 2039779 2211751 2534462 2759701 2992369 3360917 4079558 4423502 4547123 5519402 5984738 6702131 6721834 7936283 9094246 11043013 13404262 15482257 15872566 20946583 22086026 30964514 41893166 46914917 50870273 55553981 77301091 93829834 101740546 111107962 134916811 154602182 182534509 269833622 356091911 365069018 712183822 944417677 1277741563 1888835354 2555483126 3103086653 6206173306 21721606571 43443213142