Base | Representation |
---|---|
bin | 1000010001000100010… |
… | …0001011101111111111 |
3 | 111120120122010012111211 |
4 | 2010101010023233333 |
5 | 4311324134331033 |
6 | 145124310225251 |
7 | 13155252016051 |
oct | 2042104135777 |
9 | 446518105454 |
10 | 142020230143 |
11 | 55259798a30 |
12 | 23636355227 |
13 | 105142a044c |
14 | 6c33a718d1 |
15 | 3a6327d2cd |
hex | 211110bbff |
142020230143 has 16 divisors (see below), whose sum is σ = 156029328000. Its totient is φ = 128194811680.
The previous prime is 142020230137. The next prime is 142020230159. The reversal of 142020230143 is 341032020241.
142020230143 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 142020230143 - 217 = 142020099071 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 (142020230843) 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, 4802280 + ... + 4831762.
It is an arithmetic number, because the mean of its divisors is an integer number (9751833000).
Almost surely, 2142020230143 is an apocalyptic number.
142020230143 is a deficient number, since it is larger than the sum of its proper divisors (14009097857).
142020230143 is a wasteful number, since it uses less digits than its factorization.
142020230143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32582.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 142020230143 its reverse (341032020241), we get a palindrome (483052250384).
The spelling of 142020230143 in words is "one hundred forty-two billion, twenty million, two hundred thirty thousand, one hundred forty-three".
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