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86317541127760 = 24517299433232013
BaseRepresentation
bin10011101000000101011110…
…011000000111011001010000
3102022121212122212001012220211
4103220011132120013121100
542303211311012042020
6503325421520013504
724116144064515305
oct2350053630073120
9368555585035824
1086317541127760
112555a077744798
129820b01a61294
13392192b169047
141745b113c50ac
159ea4b5ee685a
hex4e815e607650

86317541127760 has 160 divisors (see below), whose sum is σ = 219845088433440. Its totient is φ = 31372001869824.

The previous prime is 86317541127749. The next prime is 86317541127793. The reversal of 86317541127760 is 6772114571368.

It can be written as a sum of positive squares in 16 ways, for example, as 292806525456 + 86024734602304 = 541116^2 + 9274952^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a junction number, because it is equal to n+sod(n) for n = 86317541127695 and 86317541127704.

It is a congruent number.

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, 371921514 + ... + 372153526.

It is an arithmetic number, because the mean of its divisors is an integer number (1374031802709).

Almost surely, 286317541127760 is an apocalyptic number.

86317541127760 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 86317541127760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109922544216720).

86317541127760 is an abundant number, since it is smaller than the sum of its proper divisors (133527547305680).

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

86317541127760 is a wasteful number, since it uses less digits than its factorization.

86317541127760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241505 (or 241499 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 86317541127760 in words is "eighty-six trillion, three hundred seventeen billion, five hundred forty-one million, one hundred twenty-seven thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 29 34 40 58 68 80 85 116 136 145 170 232 272 290 340 464 493 580 680 986 1160 1360 1972 2320 2465 3944 4930 7888 9433 9860 18866 19720 37732 39440 47165 75464 94330 150928 160361 188660 232013 273557 320722 377320 464026 547114 641444 754640 801805 928052 1094228 1160065 1282888 1367785 1603610 1856104 2188456 2320130 2565776 2735570 3207220 3712208 3944221 4376912 4640260 4650469 5471140 6414440 6728377 7888442 9280520 9300938 10942280 12828880 13456754 15776884 18561040 18601876 19721105 21884560 23252345 26913508 31553768 33641885 37203752 39442210 46504690 53827016 63107536 67283770 74407504 78884420 93009380 107654032 114382409 134567540 157768840 186018760 228764818 269135080 315537680 372037520 457529636 538270160 571912045 915059272 1143824090 1830118544 2188578629 2287648180 4377157258 4575296360 8754314516 9150592720 10942893145 17508629032 21885786290 35017258064 37205836693 43771572580 63468780241 74411673386 87543145160 126937560482 148823346772 175086290320 186029183465 253875120964 297646693544 317343901205 372058366930 507750241928 595293387088 634687802410 744116733860 1015500483856 1078969264097 1269375604820 1488233467720 2157938528194 2538751209640 2976466935440 4315877056388 5077502419280 5394846320485 8631754112776 10789692640970 17263508225552 21579385281940 43158770563880 86317541127760