Base | Representation |
---|---|
bin | 10001001010011… |
… | …11111001010011 |
3 | 101000221001101201 |
4 | 20211033321103 |
5 | 243324412123 |
6 | 22142012031 |
7 | 3365554033 |
oct | 1045177123 |
9 | 330831351 |
10 | 143982163 |
11 | 74301a26 |
12 | 40277017 |
13 | 23aa2a60 |
14 | 1519d8c3 |
15 | c9915ad |
hex | 894fe53 |
143982163 has 8 divisors (see below), whose sum is σ = 164179008. Its totient is φ = 125088384.
The previous prime is 143982149. The next prime is 143982169. The reversal of 143982163 is 361289341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 143982163 - 217 = 143851091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (143982169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325531 + ... + 325972.
It is an arithmetic number, because the mean of its divisors is an integer number (20522376).
Almost surely, 2143982163 is an apocalyptic number.
143982163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
143982163 is a deficient number, since it is larger than the sum of its proper divisors (20196845).
143982163 is a wasteful number, since it uses less digits than its factorization.
143982163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 651533.
The product of its digits is 31104, while the sum is 37.
The square root of 143982163 is about 11999.2567686503. The cubic root of 143982163 is about 524.1266362054.
It can be divided in two parts, 14398 and 2163, that added together give a palindrome (16561).
The spelling of 143982163 in words is "one hundred forty-three million, nine hundred eighty-two thousand, one hundred sixty-three".
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