Base | Representation |
---|---|
bin | 10000111011011… |
… | …11001100100111 |
3 | 100220020000112000 |
4 | 20131233030213 |
5 | 242323410343 |
6 | 22031500343 |
7 | 3343043502 |
oct | 1035571447 |
9 | 326200460 |
10 | 142013223 |
11 | 73187700 |
12 | 3b6876b3 |
13 | 235637c1 |
14 | 14c0a139 |
15 | c702ed3 |
hex | 876f327 |
142013223 has 48 divisors (see below), whose sum is σ = 244954080. Its totient is φ = 80974080.
The previous prime is 142013213. The next prime is 142013227. The reversal of 142013223 is 322310241.
It is not a de Polignac number, because 142013223 - 26 = 142013159 is a prime.
It is a super-3 number, since 3×1420132233 (a number of 25 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142013196 and 142013205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142013227) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54261 + ... + 56817.
It is an arithmetic number, because the mean of its divisors is an integer number (5103210).
Almost surely, 2142013223 is an apocalyptic number.
142013223 is a deficient number, since it is larger than the sum of its proper divisors (102940857).
142013223 is a wasteful number, since it uses less digits than its factorization.
142013223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2605 (or 2588 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 142013223 is about 11916.9300996523. The cubic root of 142013223 is about 521.7265379651.
Adding to 142013223 its reverse (322310241), we get a palindrome (464323464).
It can be divided in two parts, 14201 and 3223, that added together give a square (17424 = 1322).
The spelling of 142013223 in words is "one hundred forty-two million, thirteen thousand, two hundred twenty-three".
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