Base | Representation |
---|---|
bin | 10000111000110… |
… | …11000111001111 |
3 | 100212120112002011 |
4 | 20130123013033 |
5 | 242231400230 |
6 | 22020242051 |
7 | 3340110421 |
oct | 1034330717 |
9 | 325515064 |
10 | 141668815 |
11 | 72a71972 |
12 | 3b540327 |
13 | 23472b02 |
14 | 14b5a811 |
15 | c685e2a |
hex | 871b1cf |
141668815 has 4 divisors (see below), whose sum is σ = 170002584. Its totient is φ = 113335048.
The previous prime is 141668809. The next prime is 141668833. The reversal of 141668815 is 518866141.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 141668815 - 223 = 133280207 is a prime.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14166877 + ... + 14166886.
It is an arithmetic number, because the mean of its divisors is an integer number (42500646).
Almost surely, 2141668815 is an apocalyptic number.
141668815 is a deficient number, since it is larger than the sum of its proper divisors (28333769).
141668815 is an equidigital number, since it uses as much as digits as its factorization.
141668815 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28333768.
The product of its digits is 46080, while the sum is 40.
The square root of 141668815 is about 11902.4709619474. The cubic root of 141668815 is about 521.3044358456.
The spelling of 141668815 in words is "one hundred forty-one million, six hundred sixty-eight thousand, eight hundred fifteen".
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