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20043144510 = 2357179311383
BaseRepresentation
bin10010101010101010…
…100001110100111110
31220201211201020101120
4102222222201310332
5312022021111020
613112510051410
71306454626434
oct225252416476
956654636346
1020043144510
118555918144
123a744a9b66
131b7560282c
14d81d16d54
157c493e740
hex4aaaa1d3e

20043144510 has 128 divisors (see below), whose sum is σ = 49686773760. Its totient is φ = 5172585600.

The previous prime is 20043144509. The next prime is 20043144547. The reversal of 20043144510 is 1544134002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52331779 + ... + 52332161.

It is an arithmetic number, because the mean of its divisors is an integer number (388177920).

Almost surely, 220043144510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20043144510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24843386880).

20043144510 is an abundant number, since it is smaller than the sum of its proper divisors (29643629250).

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

20043144510 is a wasteful number, since it uses less digits than its factorization.

20043144510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20043144510 its reverse (1544134002), we get a palindrome (21587278512).

The spelling of 20043144510 in words is "twenty billion, forty-three million, one hundred forty-four thousand, five hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71 79 142 158 213 237 311 355 383 395 426 474 622 710 766 790 933 1065 1149 1185 1555 1866 1915 2130 2298 2370 3110 3830 4665 5609 5745 9330 11218 11490 16827 22081 24569 27193 28045 30257 33654 44162 49138 54386 56090 60514 66243 73707 81579 84135 90771 110405 119113 122845 132486 135965 147414 151285 163158 168270 181542 220810 238226 245690 271930 302570 331215 357339 368535 407895 453855 595565 662430 714678 737070 815790 907710 1191130 1744399 1786695 2148247 3488798 3573390 4296494 5233197 6444741 8457023 8721995 9409927 10466394 10741235 12889482 16914046 17443990 18819854 21482470 25371069 26165985 28229781 32223705 42285115 47049635 50742138 52331970 56459562 64447410 84570230 94099270 126855345 141148905 253710690 282297810 668104817 1336209634 2004314451 3340524085 4008628902 6681048170 10021572255 20043144510