Base | Representation |
---|---|
bin | 10000111100001… |
… | …10100011001011 |
3 | 100220101212201200 |
4 | 20132012203023 |
5 | 242334441000 |
6 | 22033515243 |
7 | 3343622406 |
oct | 1036064313 |
9 | 326355650 |
10 | 142108875 |
11 | 73242557 |
12 | 3b712b23 |
13 | 235981bc |
14 | 14c32d3d |
15 | c721500 |
hex | 87868cb |
142108875 has 48 divisors (see below), whose sum is σ = 260638560. Its totient is φ = 74472000.
The previous prime is 142108873. The next prime is 142108907. The reversal of 142108875 is 578801241.
It is not a de Polignac number, because 142108875 - 21 = 142108873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142108873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65305 + ... + 67445.
It is an arithmetic number, because the mean of its divisors is an integer number (5429970).
Almost surely, 2142108875 is an apocalyptic number.
142108875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142108875 is a deficient number, since it is larger than the sum of its proper divisors (118529685).
142108875 is a wasteful number, since it uses less digits than its factorization.
142108875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2221 (or 2208 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 36.
The square root of 142108875 is about 11920.9427060111. The cubic root of 142108875 is about 521.8436467473.
The spelling of 142108875 in words is "one hundred forty-two million, one hundred eight thousand, eight hundred seventy-five".
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