Base | Representation |
---|---|
bin | 10000111110011… |
… | …10001010011001 |
3 | 100220221210002121 |
4 | 20133032022121 |
5 | 242423332301 |
6 | 22044101241 |
7 | 3346253524 |
oct | 1037161231 |
9 | 326853077 |
10 | 142402201 |
11 | 73422977 |
12 | 3b834821 |
13 | 2366b876 |
14 | 14cabbbb |
15 | c77d3a1 |
hex | 87ce299 |
142402201 has 2 divisors, whose sum is σ = 142402202. Its totient is φ = 142402200.
The previous prime is 142402199. The next prime is 142402219. The reversal of 142402201 is 102204241.
142402201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 135745801 + 6656400 = 11651^2 + 2580^2 .
It is a cyclic number.
It is not a de Polignac number, because 142402201 - 21 = 142402199 is a prime.
Together with 142402199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (142402291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71201100 + 71201101.
It is an arithmetic number, because the mean of its divisors is an integer number (71201101).
Almost surely, 2142402201 is an apocalyptic number.
It is an amenable number.
142402201 is a deficient number, since it is larger than the sum of its proper divisors (1).
142402201 is an equidigital number, since it uses as much as digits as its factorization.
142402201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 142402201 is about 11933.2393338942. The cubic root of 142402201 is about 522.2024446830.
Adding to 142402201 its reverse (102204241), we get a palindrome (244606442).
The spelling of 142402201 in words is "one hundred forty-two million, four hundred two thousand, two hundred one".
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