Base | Representation |
---|---|
bin | 111001111001110000… |
… | …0011100111111111001 |
3 | 102212221210000210121011 |
4 | 1303303200130333321 |
5 | 4014124140031121 |
6 | 133042325113521 |
7 | 11661241300303 |
oct | 1636340347771 |
9 | 385853023534 |
10 | 124344455161 |
11 | 48809226633 |
12 | 201228588a1 |
13 | b9582a01b4 |
14 | 6038322973 |
15 | 337b5bb7e1 |
hex | 1cf381cff9 |
124344455161 has 2 divisors, whose sum is σ = 124344455162. Its totient is φ = 124344455160.
The previous prime is 124344455159. The next prime is 124344455227. The reversal of 124344455161 is 161554443421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 95527355625 + 28817099536 = 309075^2 + 169756^2 .
It is a cyclic number.
It is not a de Polignac number, because 124344455161 - 21 = 124344455159 is a prime.
Together with 124344455159, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (124344455861) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62172227580 + 62172227581.
It is an arithmetic number, because the mean of its divisors is an integer number (62172227581).
Almost surely, 2124344455161 is an apocalyptic number.
It is an amenable number.
124344455161 is a deficient number, since it is larger than the sum of its proper divisors (1).
124344455161 is an equidigital number, since it uses as much as digits as its factorization.
124344455161 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 230400, while the sum is 40.
Adding to 124344455161 its reverse (161554443421), we get a palindrome (285898898582).
The spelling of 124344455161 in words is "one hundred twenty-four billion, three hundred forty-four million, four hundred fifty-five thousand, one hundred sixty-one".
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