Base | Representation |
---|---|
bin | 10001001000000… |
… | …01111111101101 |
3 | 101000022211201000 |
4 | 20210001333231 |
5 | 243234204320 |
6 | 22131110513 |
7 | 3363054546 |
oct | 1044017755 |
9 | 330284630 |
10 | 143663085 |
11 | 74104225 |
12 | 40142439 |
13 | 239c0757 |
14 | 151194cd |
15 | c92bc90 |
hex | 8901fed |
143663085 has 32 divisors (see below), whose sum is σ = 268848000. Its totient is φ = 72586368.
The previous prime is 143663081. The next prime is 143663087. The reversal of 143663085 is 580366341.
143663085 is a `hidden beast` number, since 14 + 3 + 6 + 630 + 8 + 5 = 666.
143663085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 143663085 - 22 = 143663081 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143663081) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25440 + ... + 30569.
It is an arithmetic number, because the mean of its divisors is an integer number (8401500).
Almost surely, 2143663085 is an apocalyptic number.
143663085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
143663085 is a deficient number, since it is larger than the sum of its proper divisors (125184915).
143663085 is a wasteful number, since it uses less digits than its factorization.
143663085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56042 (or 56036 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 143663085 is about 11985.9536541737. The cubic root of 143663085 is about 523.7391785614.
The spelling of 143663085 in words is "one hundred forty-three million, six hundred sixty-three thousand, eighty-five".
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