Base | Representation |
---|---|
bin | 1111000010011… |
… | …00011010010111 |
3 | 22210100200102202 |
4 | 13201030122113 |
5 | 224243021403 |
6 | 20303355115 |
7 | 3061122143 |
oct | 741143227 |
9 | 283320382 |
10 | 126142103 |
11 | 6522747a |
12 | 362b2a9b |
13 | 201977c9 |
14 | 12a78223 |
15 | b11a688 |
hex | 784c697 |
126142103 has 8 divisors (see below), whose sum is σ = 128739600. Its totient is φ = 123571008.
The previous prime is 126142073. The next prime is 126142109. The reversal of 126142103 is 301241621.
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 126142103 - 212 = 126138007 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 (126142109) 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, 3200 + ... + 16202.
It is an arithmetic number, because the mean of its divisors is an integer number (16092450).
Almost surely, 2126142103 is an apocalyptic number.
126142103 is a deficient number, since it is larger than the sum of its proper divisors (2597497).
126142103 is a wasteful number, since it uses less digits than its factorization.
126142103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13201.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 126142103 is about 11231.3001473560. The cubic root of 126142103 is about 501.5181895354.
Adding to 126142103 its reverse (301241621), we get a palindrome (427383724).
The spelling of 126142103 in words is "one hundred twenty-six million, one hundred forty-two thousand, one hundred three".
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