Base | Representation |
---|---|
bin | 10000111110100… |
… | …00101111000111 |
3 | 100220222022120001 |
4 | 20133100233013 |
5 | 242424201433 |
6 | 22044222131 |
7 | 3346326334 |
oct | 1037205707 |
9 | 326868501 |
10 | 142412743 |
11 | 7342a890 |
12 | 3b83a947 |
13 | 236735c5 |
14 | 14cb198b |
15 | c78157d |
hex | 87d0bc7 |
142412743 has 8 divisors (see below), whose sum is σ = 155558016. Its totient is φ = 129300600.
The previous prime is 142412731. The next prime is 142412759. The reversal of 142412743 is 347214241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142412743 - 213 = 142404551 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 (142412783) 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, 1188 + ... + 16918.
It is an arithmetic number, because the mean of its divisors is an integer number (19444752).
Almost surely, 2142412743 is an apocalyptic number.
142412743 is a deficient number, since it is larger than the sum of its proper divisors (13145273).
142412743 is a wasteful number, since it uses less digits than its factorization.
142412743 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16565.
The product of its digits is 5376, while the sum is 28.
The square root of 142412743 is about 11933.6810331096. The cubic root of 142412743 is about 522.2153305380.
Adding to 142412743 its reverse (347214241), we get a palindrome (489626984).
The spelling of 142412743 in words is "one hundred forty-two million, four hundred twelve thousand, seven hundred forty-three".
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