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2116878371080 = 2351143301137159
BaseRepresentation
bin11110110011011111110…
…010001000100100001000
321111101000220010021121121
4132303133302020210020
5234140331330333310
64300251442045024
7305640135160354
oct36633762104410
97441026107547
102116878371080
117468437209a0
122a2322349774
1312480babca25
14746593ac464
153a0e8db60da
hex1ecdfc88908

2116878371080 has 128 divisors (see below), whose sum is σ = 5318719718400. Its totient is φ = 751602297600.

The previous prime is 2116878371053. The next prime is 2116878371089. The reversal of 2116878371080 is 801738786112.

It is not an unprimeable number, because it can be changed into a prime (2116878371089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56949541 + ... + 56986699.

It is an arithmetic number, because the mean of its divisors is an integer number (41552497800).

Almost surely, 22116878371080 is an apocalyptic number.

2116878371080 is a gapful number since it is divisible by the number (20) 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 2116878371080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2659359859200).

2116878371080 is an abundant number, since it is smaller than the sum of its proper divisors (3201841347320).

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

2116878371080 is a wasteful number, since it uses less digits than its factorization.

2116878371080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40235 (or 40231 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 2116878371080 in words is "two trillion, one hundred sixteen billion, eight hundred seventy-eight million, three hundred seventy-one thousand, eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 43 44 55 86 88 110 172 215 220 344 430 440 473 860 946 1720 1892 2365 3011 3784 4730 6022 9460 12044 15055 18920 24088 30110 33121 37159 60220 66242 74318 120440 129473 132484 148636 165605 185795 258946 264968 297272 331210 371590 408749 517892 647365 662420 743180 817498 1035784 1294730 1324840 1424203 1486360 1597837 1634996 2043745 2589460 2848406 3195674 3269992 4087490 5178920 5696812 6391348 7121015 7989185 8174980 11393624 12782696 14242030 15978370 16349960 17576207 28484060 31956740 35152414 56968120 63913480 70304828 87881035 111885749 140609656 175762070 223771498 351524140 447542996 559428745 703048280 895085992 1118857490 1230743239 2237714980 2461486478 4475429960 4811087207 4922972956 6153716195 9622174414 9845945912 12307432390 19244348828 24055436035 24614864780 38488697656 48110872070 49229729560 52921959277 96221744140 105843918554 192443488280 211687837108 264609796385 423375674216 529219592770 1058439185540 2116878371080