Base | Representation |
---|---|
bin | 1000010001011010001… |
… | …1111001011110111101 |
3 | 111120211001121102221211 |
4 | 2010112203321132331 |
5 | 4312021240230023 |
6 | 145141402324421 |
7 | 13160451503251 |
oct | 2042643713675 |
9 | 446731542854 |
10 | 142112430013 |
11 | 552a6842074 |
12 | 236611b9711 |
13 | 1052a412798 |
14 | 6c41dd2261 |
15 | 3a6b3e1a0d |
hex | 21168f97bd |
142112430013 has 4 divisors (see below), whose sum is σ = 142733008540. Its totient is φ = 141491851488.
The previous prime is 142112430011. The next prime is 142112430023. The reversal of 142112430013 is 310034211241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310034211241 = 653 ⋅474784397.
It can be written as a sum of positive squares in 2 ways, for example, as 87144220804 + 54968209209 = 295202^2 + 234453^2 .
It is a cyclic number.
It is not a de Polignac number, because 142112430013 - 21 = 142112430011 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 (142112430011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310288920 + ... + 310289377.
It is an arithmetic number, because the mean of its divisors is an integer number (35683252135).
Almost surely, 2142112430013 is an apocalyptic number.
It is an amenable number.
142112430013 is a deficient number, since it is larger than the sum of its proper divisors (620578527).
142112430013 is an equidigital number, since it uses as much as digits as its factorization.
142112430013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 620578526.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 142112430013 its reverse (310034211241), we get a palindrome (452146641254).
The spelling of 142112430013 in words is "one hundred forty-two billion, one hundred twelve million, four hundred thirty thousand, thirteen".
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