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20303130201100 = 2252101139142310163
BaseRepresentation
bin1001001110111001100001…
…10111010000110000001100
32122212221221001102020001221
410213130300313100300030
510130121302312413400
6111103043530213124
74163565331146055
oct447346067206014
978787831366057
1020303130201100
11651856677379a
12233aa712841a4
13b43766783036
14502968db972c
152531e7256c1a
hex127730dd0c0c

20303130201100 has 144 divisors (see below), whose sum is σ = 44850014415360. Its totient is φ = 7976600928000.

The previous prime is 20303130201091. The next prime is 20303130201113. The reversal of 20303130201100 is 110203130302.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1997744619 + ... + 1997754781.

It is an arithmetic number, because the mean of its divisors is an integer number (311458433440).

Almost surely, 220303130201100 is an apocalyptic number.

20303130201100 is a gapful number since it is divisible by the number (20) 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 20303130201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22425007207680).

20303130201100 is an abundant number, since it is smaller than the sum of its proper divisors (24546884214260).

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

20303130201100 is a wasteful number, since it uses less digits than its factorization.

20303130201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11840 (or 11833 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20303130201100 its reverse (110203130302), we get a palindrome (20413333331402).

The spelling of 20303130201100 in words is "twenty trillion, three hundred three billion, one hundred thirty million, two hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 139 202 278 404 505 556 695 1010 1390 1423 2020 2525 2780 2846 3475 5050 5692 6950 7115 10100 10163 13900 14039 14230 20326 28078 28460 35575 40652 50815 56156 70195 71150 101630 140390 142300 143723 197797 203260 254075 280780 287446 350975 395594 508150 574892 701950 718615 791188 988985 1016300 1026463 1403900 1412657 1437230 1977970 2052926 2825314 2874460 3593075 3955940 4105852 4944925 5132315 5650628 7063285 7186150 9889850 10264630 14126570 14372300 14461949 19779700 19977497 20529260 25661575 28253140 28923898 35316425 39954994 51323150 57847796 70632850 72309745 79909988 99887485 102646300 141265700 142678357 144619490 199774970 285356714 289238980 361548725 399549940 499437425 570713428 713391785 723097450 998874850 1426783570 1446194900 1460656849 1997749700 2010210911 2853567140 2921313698 3566958925 4020421822 5842627396 7133917850 7303284245 8040843644 10051054555 14267835700 14606568490 20102109110 29213136980 36516421225 40204218220 50255272775 73032842450 100510545550 146065684900 201021091100 203031302011 406062604022 812125208044 1015156510055 2030313020110 4060626040220 5075782550275 10151565100550 20303130201100