Base | Representation |
---|---|
bin | 110010011011000001… |
… | …1111011011011100000 |
3 | 101100111022010222020012 |
4 | 1210312003323123200 |
5 | 3233224440310140 |
6 | 121424345304052 |
7 | 10552210601012 |
oct | 1446603733340 |
9 | 340438128205 |
10 | 108281181920 |
11 | 41a159a46aa |
12 | 18b9b195028 |
13 | a2983921a2 |
14 | 5352c001b2 |
15 | 2c3b278265 |
hex | 19360fb6e0 |
108281181920 has 48 divisors (see below), whose sum is σ = 257508484128. Its totient is φ = 43025625600.
The previous prime is 108281181889. The next prime is 108281181959. The reversal of 108281181920 is 29181182801.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2216759 + ... + 2265078.
It is an arithmetic number, because the mean of its divisors is an integer number (5364760086).
Almost surely, 2108281181920 is an apocalyptic number.
108281181920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
108281181920 is an abundant number, since it is smaller than the sum of its proper divisors (149227302208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108281181920 is a wasteful number, since it uses less digits than its factorization.
108281181920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4482003 (or 4481995 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 41.
The spelling of 108281181920 in words is "one hundred eight billion, two hundred eighty-one million, one hundred eighty-one thousand, nine hundred twenty".
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