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87130617410320 = 245111094631961917
BaseRepresentation
bin10011110011111010101101…
…011111111111001100010000
3102102111121100112111221100221
4103303322231133333030100
542410022001024112240
6505151130354322424
724231656632056151
oct2363725537771420
9372447315457327
1087130617410320
1125842984046080
1299325b7589414
1339804c7245703
141773204291928
15a117022a7a4a
hex4f3ead7ff310

87130617410320 has 160 divisors (see below), whose sum is σ = 223504209815040. Its totient is φ = 31325363435520.

The previous prime is 87130617410261. The next prime is 87130617410323. The reversal of 87130617410320 is 2301471603178.

It is a happy number.

It is a super-3 number, since 3×871306174103203 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (87130617410323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43430002 + ... + 45391918.

It is an arithmetic number, because the mean of its divisors is an integer number (1396901311344).

Almost surely, 287130617410320 is an apocalyptic number.

87130617410320 is a gapful number since it is divisible by the number (80) 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 87130617410320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111752104907520).

87130617410320 is an abundant number, since it is smaller than the sum of its proper divisors (136373592404720).

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

87130617410320 is a wasteful number, since it uses less digits than its factorization.

87130617410320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962513 (or 1962507 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 87130617410320 in words is "eighty-seven trillion, one hundred thirty billion, six hundred seventeen million, four hundred ten thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 109 110 176 218 220 436 440 463 545 872 880 926 1090 1199 1744 1852 2180 2315 2398 3704 4360 4630 4796 5093 5995 7408 8720 9260 9592 10186 11990 18520 19184 20372 23980 25465 37040 40744 47960 50467 50930 81488 95920 100934 101860 201868 203720 252335 403736 407440 504670 555137 807472 1009340 1110274 1961917 2018680 2220548 2775685 3923834 4037360 4441096 5551370 7847668 8882192 9809585 11102740 15695336 19619170 21581087 22205480 31390672 39238340 43162174 44410960 78476680 86324348 107905435 156953360 172648696 213848953 215810870 345297392 427697906 431621740 855395812 863243480 908367571 1069244765 1710791624 1726486960 1816735142 2138489530 2352338483 3421583248 3633470284 4276979060 4541837855 4704676966 7266940568 8553958120 9083675710 9409353932 9992043281 11761692415 14533881136 17107916240 18167351420 18818707864 19984086562 23523384830 36334702840 37637415728 39968173124 47046769660 49960216405 72669405680 79936346248 94093539320 99012065239 99920432810 159872692496 188187078640 198024130478 199840865620 396048260956 399681731240 495060326195 792096521912 799363462480 990120652390 1089132717629 1584193043824 1980241304780 2178265435258 3960482609560 4356530870516 5445663588145 7920965219120 8713061741032 10891327176290 17426123482064 21782654352580 43565308705160 87130617410320