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20110043712 = 2631159316057
BaseRepresentation
bin10010101110101001…
…101110101001000000
31220220111121001211210
4102232221232221000
5312141132344322
613123300010120
71311226360023
oct225651565100
956814531753
1020110043712
11858a660540
123a92990940
131b86426b65
14d8ab6d1ba
157ca75670c
hex4aea6ea40

20110043712 has 112 divisors (see below), whose sum is σ = 58146403392. Its totient is φ = 6083297280.

The previous prime is 20110043651. The next prime is 20110043713. The reversal of 20110043712 is 21734001102.

It is not an unprimeable number, because it can be changed into a prime (20110043713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244388 + ... + 1260444.

It is an arithmetic number, because the mean of its divisors is an integer number (519164316).

Almost surely, 220110043712 is an apocalyptic number.

20110043712 is a gapful number since it is divisible by the number (22) 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 20110043712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29073201696).

20110043712 is an abundant number, since it is smaller than the sum of its proper divisors (38036359680).

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

20110043712 is a wasteful number, since it uses less digits than its factorization.

20110043712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16676 (or 16666 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 20110043712 its reverse (21734001102), we get a palindrome (41844044814).

The spelling of 20110043712 in words is "twenty billion, one hundred ten million, forty-three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 132 176 192 264 352 528 593 704 1056 1186 1779 2112 2372 3558 4744 6523 7116 9488 13046 14232 16057 18976 19569 26092 28464 32114 37952 39138 48171 52184 56928 64228 78276 96342 104368 113856 128456 156552 176627 192684 208736 256912 313104 353254 385368 417472 513824 529881 626208 706508 770736 1027648 1059762 1252416 1413016 1541472 2119524 2826032 3082944 4239048 5652064 8478096 9521801 11304128 16956192 19043602 28565403 33912384 38087204 57130806 76174408 104739811 114261612 152348816 209479622 228523224 304697632 314219433 418959244 457046448 609395264 628438866 837918488 914092896 1256877732 1675836976 1828185792 2513755464 3351673952 5027510928 6703347904 10055021856 20110043712