Base | Representation |
---|---|
bin | 1000010001110100110… |
… | …1101000000111010101 |
3 | 111121002211121102101122 |
4 | 2010131031220013111 |
5 | 4312233323012323 |
6 | 145200430333325 |
7 | 13163305220144 |
oct | 2043515500725 |
9 | 447084542348 |
10 | 142224032213 |
11 | 5535383849a |
12 | 2369265a245 |
13 | 105475891a3 |
14 | 6c52b6375b |
15 | 3a760d8ec8 |
hex | 211d3681d5 |
142224032213 has 2 divisors, whose sum is σ = 142224032214. Its totient is φ = 142224032212.
The previous prime is 142224032207. The next prime is 142224032221. The reversal of 142224032213 is 312230422241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 128048034244 + 14175997969 = 357838^2 + 119063^2 .
It is a cyclic number.
It is not a de Polignac number, because 142224032213 - 210 = 142224031189 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142224032243) 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 as a sum of consecutive naturals, namely, 71112016106 + 71112016107.
It is an arithmetic number, because the mean of its divisors is an integer number (71112016107).
Almost surely, 2142224032213 is an apocalyptic number.
It is an amenable number.
142224032213 is a deficient number, since it is larger than the sum of its proper divisors (1).
142224032213 is an equidigital number, since it uses as much as digits as its factorization.
142224032213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 142224032213 its reverse (312230422241), we get a palindrome (454454454454).
The spelling of 142224032213 in words is "one hundred forty-two billion, two hundred twenty-four million, thirty-two thousand, two hundred thirteen".
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