Base | Representation |
---|---|
bin | 10000111100111… |
… | …01110011000111 |
3 | 100220120201100122 |
4 | 20132131303013 |
5 | 242401012403 |
6 | 22035532155 |
7 | 3344500136 |
oct | 1036356307 |
9 | 326521318 |
10 | 142204103 |
11 | 732a8058 |
12 | 3b75a05b |
13 | 235cc652 |
14 | 14c5991d |
15 | c73e838 |
hex | 879dcc7 |
142204103 has 4 divisors (see below), whose sum is σ = 142394208. Its totient is φ = 142014000.
The previous prime is 142204091. The next prime is 142204109. The reversal of 142204103 is 301402241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301402241 = 7 ⋅43057463.
It is a cyclic number.
It is not a de Polignac number, because 142204103 - 24 = 142204087 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 (142204109) 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, 93926 + ... + 95427.
It is an arithmetic number, because the mean of its divisors is an integer number (35598552).
Almost surely, 2142204103 is an apocalyptic number.
142204103 is a deficient number, since it is larger than the sum of its proper divisors (190105).
142204103 is an equidigital number, since it uses as much as digits as its factorization.
142204103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190104.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 142204103 is about 11924.9361843156. The cubic root of 142204103 is about 521.9601842279.
Adding to 142204103 its reverse (301402241), we get a palindrome (443606344).
The spelling of 142204103 in words is "one hundred forty-two million, two hundred four thousand, one hundred three".
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