Base | Representation |
---|---|
bin | 1100011000100… |
… | …01100110010001 |
3 | 21020110201002100 |
4 | 12030101212101 |
5 | 203043143410 |
6 | 14150311013 |
7 | 2400655236 |
oct | 614214621 |
9 | 236421070 |
10 | 103881105 |
11 | 53702459 |
12 | 2a958469 |
13 | 186a2213 |
14 | db2178d |
15 | 91be8c0 |
hex | 6311991 |
103881105 has 12 divisors (see below), whose sum is σ = 180060660. Its totient is φ = 55403232.
The previous prime is 103881097. The next prime is 103881121. The reversal of 103881105 is 501188301.
It can be written as a sum of positive squares in 2 ways, for example, as 56972304 + 46908801 = 7548^2 + 6849^2 .
It is not a de Polignac number, because 103881105 - 23 = 103881097 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1154190 + ... + 1154279.
It is an arithmetic number, because the mean of its divisors is an integer number (15005055).
Almost surely, 2103881105 is an apocalyptic number.
103881105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
103881105 is a deficient number, since it is larger than the sum of its proper divisors (76179555).
103881105 is a wasteful number, since it uses less digits than its factorization.
103881105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2308480 (or 2308477 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 27.
The square root of 103881105 is about 10192.2080532140. The cubic root of 103881105 is about 470.0876628396.
The spelling of 103881105 in words is "one hundred three million, eight hundred eighty-one thousand, one hundred five".
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