Base | Representation |
---|---|
bin | 1000010011100111100… |
… | …0011111010010100011 |
3 | 111122100100200122201212 |
4 | 2010321320133102203 |
5 | 4314224441432212 |
6 | 145320252020335 |
7 | 13211235513020 |
oct | 2047170372243 |
9 | 448310618655 |
10 | 142705030307 |
11 | 555802a6484 |
12 | 237a77616ab |
13 | 105c311a248 |
14 | 6c9a9b0547 |
15 | 3aa344be22 |
hex | 2139e1f4a3 |
142705030307 has 16 divisors (see below), whose sum is σ = 167516375232. Its totient is φ = 119000586240.
The previous prime is 142705030297. The next prime is 142705030319. The reversal of 142705030307 is 703030507241.
142705030307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 142705030307 - 26 = 142705030243 is a prime.
It is a super-3 number, since 3×1427050303073 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142705030337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3273083 + ... + 3316395.
It is an arithmetic number, because the mean of its divisors is an integer number (10469773452).
Almost surely, 2142705030307 is an apocalyptic number.
142705030307 is a deficient number, since it is larger than the sum of its proper divisors (24811344925).
142705030307 is a wasteful number, since it uses less digits than its factorization.
142705030307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56078.
The product of its (nonzero) digits is 17640, while the sum is 32.
Adding to 142705030307 its reverse (703030507241), we get a palindrome (845735537548).
The spelling of 142705030307 in words is "one hundred forty-two billion, seven hundred five million, thirty thousand, three hundred seven".
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