Base | Representation |
---|---|
bin | 1000010010001010010… |
… | …0111010100100110101 |
3 | 111121100002221102211221 |
4 | 2010202210322210311 |
5 | 4312424342220341 |
6 | 145213403230341 |
7 | 13165450144456 |
oct | 2044244724465 |
9 | 447302842757 |
10 | 142314023221 |
11 | 5539a613027 |
12 | 236b88183b1 |
13 | 10560106cc6 |
14 | 6c60aab12d |
15 | 3a7de62ed1 |
hex | 212293a935 |
142314023221 has 32 divisors (see below), whose sum is σ = 153600353280. Its totient is φ = 131529049344.
The previous prime is 142314023213. The next prime is 142314023239. The reversal of 142314023221 is 122320413241.
It is a cyclic number.
It is not a de Polignac number, because 142314023221 - 23 = 142314023213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142314023281) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36592045 + ... + 36595933.
It is an arithmetic number, because the mean of its divisors is an integer number (4800011040).
Almost surely, 2142314023221 is an apocalyptic number.
It is an amenable number.
142314023221 is a deficient number, since it is larger than the sum of its proper divisors (11286330059).
142314023221 is a wasteful number, since it uses less digits than its factorization.
142314023221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4345.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 142314023221 its reverse (122320413241), we get a palindrome (264634436462).
The spelling of 142314023221 in words is "one hundred forty-two billion, three hundred fourteen million, twenty-three thousand, two hundred twenty-one".
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