Base | Representation |
---|---|
bin | 10000111111011… |
… | …01001010110011 |
3 | 100221012020022101 |
4 | 20133231022303 |
5 | 242441413303 |
6 | 22050521231 |
7 | 3350323015 |
oct | 1037551263 |
9 | 327166271 |
10 | 142529203 |
11 | 734aa333 |
12 | 3b896217 |
13 | 236b460b |
14 | 14d021b5 |
15 | c7a5d1d |
hex | 87ed2b3 |
142529203 has 4 divisors (see below), whose sum is σ = 150030760. Its totient is φ = 135027648.
The previous prime is 142529201. The next prime is 142529249. The reversal of 142529203 is 302925241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302925241 = 263 ⋅1151807.
It is a cyclic number.
It is not a de Polignac number, because 142529203 - 21 = 142529201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142529201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3750750 + ... + 3750787.
It is an arithmetic number, because the mean of its divisors is an integer number (37507690).
Almost surely, 2142529203 is an apocalyptic number.
142529203 is a deficient number, since it is larger than the sum of its proper divisors (7501557).
142529203 is an equidigital number, since it uses as much as digits as its factorization.
142529203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7501556.
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 142529203 is about 11938.5595027206. The cubic root of 142529203 is about 522.3576413677.
It can be divided in two parts, 1425 and 29203, that added together give a triangular number (30628 = T247).
The spelling of 142529203 in words is "one hundred forty-two million, five hundred twenty-nine thousand, two hundred three".
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