Base | Representation |
---|---|
bin | 10000111100111… |
… | …11010100000111 |
3 | 100220121000212120 |
4 | 20132133110013 |
5 | 242401212221 |
6 | 22040021023 |
7 | 3344524215 |
oct | 1036372407 |
9 | 326530776 |
10 | 142210311 |
11 | 73301791 |
12 | 3b761773 |
13 | 23602419 |
14 | 14c5bcb5 |
15 | c7415c6 |
hex | 879f507 |
142210311 has 16 divisors (see below), whose sum is σ = 198443520. Its totient is φ = 90416480.
The previous prime is 142210303. The next prime is 142210319. The reversal of 142210311 is 113012241.
It is an interprime number because it is at equal distance from previous prime (142210303) and next prime (142210319).
It is a cyclic number.
It is not a de Polignac number, because 142210311 - 23 = 142210303 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142210319) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21901 + ... + 27641.
It is an arithmetic number, because the mean of its divisors is an integer number (12402720).
Almost surely, 2142210311 is an apocalyptic number.
142210311 is a deficient number, since it is larger than the sum of its proper divisors (56233209).
142210311 is a wasteful number, since it uses less digits than its factorization.
142210311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6126.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 142210311 is about 11925.1964763688. The cubic root of 142210311 is about 521.9677796058.
Adding to 142210311 its reverse (113012241), we get a palindrome (255222552).
The spelling of 142210311 in words is "one hundred forty-two million, two hundred ten thousand, three hundred eleven".
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