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20102020130310 = 23519412413569143
BaseRepresentation
bin1001001001000010111011…
…10001001110011000000110
32122011201211100100002201120
410210201131301032120012
510113322414123132220
6110430423543334410
74143215540563056
oct444413561163006
978151740302646
1020102020130310
116450245339a18
122307aa5a51406
13b2a7c6498351
144d6d2b6d7566
1524cd7660ca40
hex12485dc4e606

20102020130310 has 128 divisors (see below), whose sum is σ = 52238562647040. Its totient is φ = 4933981900800.

The previous prime is 20102020130219. The next prime is 20102020130417. The reversal of 20102020130310 is 1303102020102.

It is a super-2 number, since 2×201020201303102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20102020130310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3847599 + ... + 7416741.

It is an arithmetic number, because the mean of its divisors is an integer number (408113770680).

Almost surely, 220102020130310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102020130310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26119281323520).

20102020130310 is an abundant number, since it is smaller than the sum of its proper divisors (32136542516730).

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

20102020130310 is a wasteful number, since it uses less digits than its factorization.

20102020130310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569454.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20102020130310 its reverse (1303102020102), we get a palindrome (21405122150412).

The spelling of 20102020130310 in words is "twenty trillion, one hundred two billion, twenty million, one hundred thirty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 41 57 82 95 114 123 190 205 241 246 285 410 482 570 615 723 779 1205 1230 1446 1558 2337 2410 3615 3895 4579 4674 7230 7790 9158 9881 11685 13737 19762 22895 23370 27474 29643 45790 49405 59286 68685 98810 137370 148215 187739 296430 375478 563217 938695 1126434 1877390 2816085 3569143 5632170 7138286 10707429 17845715 21414858 35691430 53537145 67813717 107074290 135627434 146334863 203441151 292669726 339068585 406882302 439004589 678137170 731674315 860163463 878009178 1017205755 1463348630 1720326926 2034411510 2195022945 2580490389 2780362397 4300817315 4390045890 5160980778 5560724794 8341087191 8601634630 12902451945 13901811985 16343105797 16682174382 25804903890 27803623970 32686211594 35266701983 41705435955 49029317391 70533403966 81715528985 83410871910 98058634782 105800105949 163431057970 176333509915 211600211898 245146586955 352667019830 490293173910 529000529745 670067337677 1058001059490 1340134675354 2010202013031 3350336688385 4020404026062 6700673376770 10051010065155 20102020130310