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13205244130320 = 24351112893880517
BaseRepresentation
bin1100000000101001010111…
…1000101011010000010000
31201202102001011112122011210
43000022111320223100100
53212323314444132240
644030223322340120
72532022155050154
oct300122570532020
951672034478153
1013205244130320
1142313490626a0
12159332165a640
1374a3315a1c88
143391cc797064
1517d7731d7780
hexc0295e2b410

13205244130320 has 160 divisors (see below), whose sum is σ = 44692391468160. Its totient is φ = 3198786949120.

The previous prime is 13205244130277. The next prime is 13205244130339. The reversal of 13205244130320 is 2303144250231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1462702 + ... + 5343218.

It is an arithmetic number, because the mean of its divisors is an integer number (279327446676).

Almost surely, 213205244130320 is an apocalyptic number.

13205244130320 is a gapful number since it is divisible by the number (10) 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 13205244130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22346195734080).

13205244130320 is an abundant number, since it is smaller than the sum of its proper divisors (31487147337840).

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

13205244130320 is a wasteful number, since it uses less digits than its factorization.

13205244130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881833 (or 3881827 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 13205244130320 its reverse (2303144250231), we get a palindrome (15508388380551).

The spelling of 13205244130320 in words is "thirteen trillion, two hundred five billion, two hundred forty-four million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1289 1320 2578 2640 3867 5156 6445 7734 10312 12890 14179 15468 19335 20624 25780 28358 30936 38670 42537 51560 56716 61872 70895 77340 85074 103120 113432 141790 154680 170148 212685 226864 283580 309360 340296 425370 567160 680592 850740 1134320 1701480 3402960 3880517 7761034 11641551 15522068 19402585 23283102 31044136 38805170 42685687 46566204 58207755 62088272 77610340 85371374 93132408 116415510 128057061 155220680 170742748 186264816 213428435 232831020 256114122 310441360 341485496 426856870 465662040 512228244 640285305 682970992 853713740 931324080 1024456488 1280570610 1707427480 2048912976 2561141220 3414854960 5001986413 5122282440 10003972826 10244564880 15005959239 20007945652 25009932065 30011918478 40015891304 50019864130 55021850543 60023836956 75029796195 80031782608 100039728260 110043701086 120047673912 150059592390 165065551629 200079456520 220087402172 240095347824 275109252715 300119184780 330131103258 400158913040 440174804344 550218505430 600238369560 660262206516 825327758145 880349608688 1100437010860 1200476739120 1320524413032 1650655516290 2200874021720 2641048826064 3301311032580 4401748043440 6602622065160 13205244130320