Base | Representation |
---|---|
bin | 10000111100111… |
… | …11010010011001 |
3 | 100220121000201111 |
4 | 20132133102121 |
5 | 242401211301 |
6 | 22040020321 |
7 | 3344524000 |
oct | 1036372231 |
9 | 326530644 |
10 | 142210201 |
11 | 733016a1 |
12 | 3b7616a1 |
13 | 23602363 |
14 | 14c5bc37 |
15 | c741551 |
hex | 879f499 |
142210201 has 8 divisors (see below), whose sum is σ = 165843200. Its totient is φ = 121894164.
The previous prime is 142210199. The next prime is 142210207. The reversal of 142210201 is 102012241.
It is a happy number.
It is not a de Polignac number, because 142210201 - 21 = 142210199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142210207) 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, 206961 + ... + 207646.
It is an arithmetic number, because the mean of its divisors is an integer number (20730400).
Almost surely, 2142210201 is an apocalyptic number.
It is an amenable number.
142210201 is a deficient number, since it is larger than the sum of its proper divisors (23632999).
142210201 is an frugal number, since it uses more digits than its factorization.
142210201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 414628 (or 414614 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 142210201 is about 11925.1918642846. The cubic root of 142210201 is about 521.9676450246.
Adding to 142210201 its reverse (102012241), we get a palindrome (244222442).
The spelling of 142210201 in words is "one hundred forty-two million, two hundred ten thousand, two hundred one".
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