Base | Representation |
---|---|
bin | 10000111100001… |
… | …11100111011010 |
3 | 100220102002201102 |
4 | 20132013213122 |
5 | 242340110432 |
6 | 22033551402 |
7 | 3343641215 |
oct | 1036074732 |
9 | 326362642 |
10 | 142113242 |
11 | 73245867 |
12 | 3b715562 |
13 | 2359a19b |
14 | 14c3477c |
15 | c722962 |
hex | 87879da |
142113242 has 16 divisors (see below), whose sum is σ = 220164480. Its totient is φ = 68759328.
The previous prime is 142113203. The next prime is 142113247. The reversal of 142113242 is 242311241.
It is not an unprimeable number, because it can be changed into a prime (142113247) 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, 128 + ... + 16859.
It is an arithmetic number, because the mean of its divisors is an integer number (13760280).
Almost surely, 2142113242 is an apocalyptic number.
142113242 is a deficient number, since it is larger than the sum of its proper divisors (78051238).
142113242 is a wasteful number, since it uses less digits than its factorization.
142113242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17125.
The product of its digits is 384, while the sum is 20.
The square root of 142113242 is about 11921.1258696484. The cubic root of 142113242 is about 521.8489921039.
Adding to 142113242 its reverse (242311241), we get a palindrome (384424483).
The spelling of 142113242 in words is "one hundred forty-two million, one hundred thirteen thousand, two hundred forty-two".
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