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131043412013220 = 223257619716782751
BaseRepresentation
bin11101110010111011101100…
…000001011111000010100100
3122011222121221200210110222100
4131302323230001133002210
5114134003401433410340
61142412302402332100
736413400624401640
oct3562735401370244
9564877850713870
10131043412013220
11388332208721a3
121284511165a030
1358174577740c5
14245076bdc9c20
151023b17123830
hex772eec05f0a4

131043412013220 has 144 divisors (see below), whose sum is σ = 454357162441728. Its totient is φ = 29947944672000.

The previous prime is 131043412013197. The next prime is 131043412013263. The reversal of 131043412013220 is 22310214340131.

131043412013220 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 434 + 1 + 2 + 0 + 1 + 3 + 220 = 666.

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, 583156 + ... + 16199595.

It is an arithmetic number, because the mean of its divisors is an integer number (3155258072512).

Almost surely, 2131043412013220 is an apocalyptic number.

131043412013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131043412013220 is an abundant number, since it is smaller than the sum of its proper divisors (323313750428508).

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

131043412013220 is a wasteful number, since it uses less digits than its factorization.

131043412013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788970 (or 16788965 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131043412013220 its reverse (22310214340131), we get a palindrome (153353626353351).

The spelling of 131043412013220 in words is "one hundred thirty-one trillion, forty-three billion, four hundred twelve million, thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 6197 12394 18591 24788 30985 37182 43379 55773 61970 74364 86758 92955 111546 123940 130137 173516 185910 216895 223092 260274 278865 371820 390411 433790 520548 557730 650685 780822 867580 1115460 1301370 1561644 1952055 2602740 3904110 7808220 16782751 33565502 50348253 67131004 83913755 100696506 117479257 151044759 167827510 201393012 234958514 251741265 302089518 335655020 352437771 469917028 503482530 587396285 604179036 704875542 755223795 1006965060 1057313313 1174792570 1409751084 1510447590 1762188855 2114626626 2349585140 3020895180 3524377710 4229253252 5286566565 7048755420 10573133130 21146266260 104002707947 208005415894 312008123841 416010831788 520013539735 624016247682 728018955629 936024371523 1040027079470 1248032495364 1456037911258 1560040619205 1872048743046 2080054158940 2184056866887 2912075822516 3120081238410 3640094778145 3744097486092 4368113733774 4680121857615 6240162476820 6552170600661 7280189556290 8736227467548 9360243715230 10920284334435 13104341201322 14560379112580 18720487430460 21840568668870 26208682402644 32760853003305 43681137337740 65521706006610 131043412013220