Base | Representation |
---|---|
bin | 1000010100001100011… |
… | …1110000101111001001 |
3 | 111122202011100101210111 |
4 | 2011003013300233021 |
5 | 4320034131410443 |
6 | 145343510114321 |
7 | 13215130131622 |
oct | 2050307605711 |
9 | 448664311714 |
10 | 142860028873 |
11 | 5564a842171 |
12 | 2382b64b9a1 |
13 | 10619279383 |
14 | 6cb33daa49 |
15 | 3ab1d6769d |
hex | 21431f0bc9 |
142860028873 has 4 divisors (see below), whose sum is σ = 142862946048. Its totient is φ = 142857111700.
The previous prime is 142860028811. The next prime is 142860028877. The reversal of 142860028873 is 378820068241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142860028873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142860028877) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383853 + ... + 1483498.
It is an arithmetic number, because the mean of its divisors is an integer number (35715736512).
Almost surely, 2142860028873 is an apocalyptic number.
It is an amenable number.
142860028873 is a deficient number, since it is larger than the sum of its proper divisors (2917175).
142860028873 is an equidigital number, since it uses as much as digits as its factorization.
142860028873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2917174.
The product of its (nonzero) digits is 1032192, while the sum is 49.
The spelling of 142860028873 in words is "one hundred forty-two billion, eight hundred sixty million, twenty-eight thousand, eight hundred seventy-three".
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