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20013013130330 = 25112171878751787
BaseRepresentation
bin1001000110011101001001…
…00010011101110001011010
32121212020002021222000112202
410203032210202131301122
510110343122330132310
6110321503514410202
74133615056554233
oct443164442356132
977766067860482
1020013013130330
1164165201a0500
1222b27a5730962
13b222b030205c
144d28c664408a
1524a8b752d3a5
hex1233a489dc5a

20013013130330 has 96 divisors (see below), whose sum is σ = 41928211942848. Its totient is φ = 6848876643840.

The previous prime is 20013013130309. The next prime is 20013013130389. The reversal of 20013013130330 is 3303131031002.

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, 386422697 + ... + 386474483.

It is an arithmetic number, because the mean of its divisors is an integer number (436752207738).

Almost surely, 220013013130330 is an apocalyptic number.

20013013130330 is an abundant number, since it is smaller than the sum of its proper divisors (21915198812518).

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

20013013130330 is a wasteful number, since it uses less digits than its factorization.

20013013130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70620 (or 70609 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20013013130330 its reverse (3303131031002), we get a palindrome (23316144161332).

The spelling of 20013013130330 in words is "twenty trillion, thirteen billion, thirteen million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 121 170 187 242 374 605 935 1210 1870 2057 4114 10285 18787 20570 37574 51787 93935 103574 187870 206657 258935 319379 413314 517870 569657 638758 880379 1033285 1139314 1596895 1760758 2066570 2273227 2848285 3193790 3513169 4401895 4546454 5696570 6266227 7026338 8803790 9684169 11366135 12532454 17565845 19368338 22732270 31331135 35131690 38644859 48420845 62662270 77289718 96841690 106525859 193224295 213051718 386448590 532629295 972922369 1065258590 1945844738 4864611845 9729223690 10702146059 16539680273 21404292118 33079360546 53510730295 82698401365 107021460590 117723606649 165396802730 181936483003 235447213298 363872966006 588618033245 909682415015 1177236066490 1819364830030 2001301313033 4002602626066 10006506565165 20013013130330