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108197738886870 = 232515792383319499
BaseRepresentation
bin11000100110011110111111…
…110010101011011011010110
3112012002121021110022011112200
4120212132333302223123112
5103140202432123334440
61022041204405225330
731535012556025113
oct3046367762533326
9465077243264480
10108197738886870
113152544898a876
1210175543a02246
13484b00677b0b9
141ca0b2714790a
15c79711419c30
hex6267bfcab6d6

108197738886870 has 96 divisors (see below), whose sum is σ = 281611287360000. Its totient is φ = 28822267305792.

The previous prime is 108197738886827. The next prime is 108197738886943. The reversal of 108197738886870 is 78688837791801.

108197738886870 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 97 + 7 + 388 + 86 + 8 + 70 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 108197738886870.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 338488381 + ... + 338807879.

It is an arithmetic number, because the mean of its divisors is an integer number (2933450910000).

Almost surely, 2108197738886870 is an apocalyptic number.

108197738886870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108197738886870 is an abundant number, since it is smaller than the sum of its proper divisors (173413548473130).

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

108197738886870 is a wasteful number, since it uses less digits than its factorization.

108197738886870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323474 (or 323471 counting only the distinct ones).

The product of its (nonzero) digits is 1820786688, while the sum is 81.

The spelling of 108197738886870 in words is "one hundred eight trillion, one hundred ninety-seven billion, seven hundred thirty-eight million, eight hundred eighty-six thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1579 2383 3158 4737 4766 7149 7895 9474 11915 14211 14298 15790 21447 23685 23830 28422 35745 42894 47370 71055 71490 107235 142110 214470 319499 638998 958497 1597495 1916994 2875491 3194990 3762757 4792485 5750982 7525514 9584970 11288271 14377455 18813785 22576542 28754910 33864813 37627570 56441355 67729626 112882710 169324065 338648130 504488921 761366117 1008977842 1513466763 1522732234 2284098351 2522444605 3026933526 3806830585 4540400289 4568196702 5044889210 6852295053 7567333815 7613661170 9080800578 11420491755 13704590106 15134667630 22702001445 22840983510 34261475265 45404002890 68522950530 1202197098743 2404394197486 3606591296229 6010985493715 7213182592458 10819773888687 12021970987430 18032956481145 21639547777374 36065912962290 54098869443435 108197738886870