Base | Representation |
---|---|
bin | 10000111100111… |
… | …00110101001101 |
3 | 100220120111220220 |
4 | 20132130311031 |
5 | 242400401031 |
6 | 22035501553 |
7 | 3344452446 |
oct | 1036346515 |
9 | 326514826 |
10 | 142200141 |
11 | 732a5086 |
12 | 3b7578b9 |
13 | 235ca8c5 |
14 | 14c582cd |
15 | c73d596 |
hex | 879cd4d |
142200141 has 4 divisors (see below), whose sum is σ = 189600192. Its totient is φ = 94800092.
The previous prime is 142200103. The next prime is 142200143. The reversal of 142200141 is 141002241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141002241 = 3 ⋅47000747.
It is a cyclic number.
It is not a de Polignac number, because 142200141 - 26 = 142200077 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 142200141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142200143) 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, 23700021 + ... + 23700026.
It is an arithmetic number, because the mean of its divisors is an integer number (47400048).
Almost surely, 2142200141 is an apocalyptic number.
It is an amenable number.
142200141 is a deficient number, since it is larger than the sum of its proper divisors (47400051).
142200141 is an equidigital number, since it uses as much as digits as its factorization.
142200141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47400050.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 142200141 is about 11924.7700606762. The cubic root of 142200141 is about 521.9553366757.
Adding to 142200141 its reverse (141002241), we get a palindrome (283202382).
The spelling of 142200141 in words is "one hundred forty-two million, two hundred thousand, one hundred forty-one".
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