Base | Representation |
---|---|
bin | 10000111011100… |
… | …11011010100111 |
3 | 100220020220020000 |
4 | 20131303122213 |
5 | 242324434003 |
6 | 22032112343 |
7 | 3343145046 |
oct | 1035633247 |
9 | 326226200 |
10 | 142030503 |
11 | 7319968a |
12 | 3b6956b3 |
13 | 2356b624 |
14 | 14c1255d |
15 | c7081a3 |
hex | 87736a7 |
142030503 has 20 divisors (see below), whose sum is σ = 213734400. Its totient is φ = 93988512.
The previous prime is 142030481. The next prime is 142030507. The reversal of 142030503 is 305030241.
It is not a de Polignac number, because 142030503 - 210 = 142029479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142030507) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4698 + ... + 17496.
It is an arithmetic number, because the mean of its divisors is an integer number (10686720).
Almost surely, 2142030503 is an apocalyptic number.
142030503 is a deficient number, since it is larger than the sum of its proper divisors (71703897).
142030503 is a wasteful number, since it uses less digits than its factorization.
142030503 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12948 (or 12939 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 142030503 is about 11917.6550965364. The cubic root of 142030503 is about 521.7476981283.
Adding to 142030503 its reverse (305030241), we get a palindrome (447060744).
The spelling of 142030503 in words is "one hundred forty-two million, thirty thousand, five hundred three".
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