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20144343243230 = 2510938948139871
BaseRepresentation
bin1001001010010001110000…
…11011000101100111011110
32122022210001220202000001022
410211020320123011213132
510120021103332240410
6110502103350444142
74146244414240613
oct445107033054736
978283056660038
1020144343243230
116467193665098
122314137963652
13b317ac92602b
144d8dc462c50a
1524e00202e455
hex1252386c59de

20144343243230 has 64 divisors (see below), whose sum is σ = 36697884537600. Its totient is φ = 7960828055040.

The previous prime is 20144343243229. The next prime is 20144343243247. The reversal of 20144343243230 is 3234234344102.

It is a congruent number.

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, 2040755195 + ... + 2040765065.

It is an arithmetic number, because the mean of its divisors is an integer number (573404445900).

Almost surely, 220144343243230 is an apocalyptic number.

20144343243230 is a deficient number, since it is larger than the sum of its proper divisors (16553541294370).

20144343243230 is a wasteful number, since it uses less digits than its factorization.

20144343243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15189.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 20144343243230 its reverse (3234234344102), we get a palindrome (23378577587332).

The spelling of 20144343243230 in words is "twenty trillion, one hundred forty-four billion, three hundred forty-three million, two hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 109 218 389 545 778 1090 1945 3890 4813 9626 9871 19742 24065 42401 48130 49355 84802 98710 212005 424010 524617 1049234 1075939 1872257 2151878 2623085 3744514 3839819 5246170 5379695 7679638 9361285 10759390 18722570 19199095 38398190 47509123 95018246 204076013 237545615 408152026 418540271 475091230 837080542 1020380065 2040760130 2092701355 4185402710 5178494407 10356988814 18481048847 25892472035 36962097694 51784944070 92405244235 184810488470 2014434324323 4028868648646 10072171621615 20144343243230