Base | Representation |
---|---|
bin | 10001000001111… |
… | …10101010000111 |
3 | 100221211012011121 |
4 | 20200332222013 |
5 | 243033103413 |
6 | 22102014411 |
7 | 3353213104 |
oct | 1040765207 |
9 | 327735147 |
10 | 142862983 |
11 | 7370808a |
12 | 3ba17407 |
13 | 237a0513 |
14 | 14d8baab |
15 | c81eb8d |
hex | 883ea87 |
142862983 has 8 divisors (see below), whose sum is σ = 146776896. Its totient is φ = 138969600.
The previous prime is 142862981. The next prime is 142862987. The reversal of 142862983 is 389268241.
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 142862983 - 21 = 142862981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142862981) 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 7 ways as a sum of consecutive naturals, for example, 9538 + ... + 19408.
It is an arithmetic number, because the mean of its divisors is an integer number (18347112).
Almost surely, 2142862983 is an apocalyptic number.
142862983 is a deficient number, since it is larger than the sum of its proper divisors (3913913).
142862983 is an equidigital number, since it uses as much as digits as its factorization.
142862983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10265.
The product of its digits is 165888, while the sum is 43.
The square root of 142862983 is about 11952.5304015510. The cubic root of 142862983 is about 522.7650821003.
The spelling of 142862983 in words is "one hundred forty-two million, eight hundred sixty-two thousand, nine hundred eighty-three".
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