Base | Representation |
---|---|
bin | 10001001011100110… |
… | …000000110001110001 |
3 | 1202121200101212000102 |
4 | 101023212000301301 |
5 | 300240210000131 |
6 | 12250331202145 |
7 | 1222106322053 |
oct | 211346006161 |
9 | 52550355012 |
10 | 18448125041 |
11 | 7907538435 |
12 | 36aa2a6355 |
13 | 1980021a28 |
14 | c7015b8d3 |
15 | 72e8c61cb |
hex | 44b980c71 |
18448125041 has 2 divisors, whose sum is σ = 18448125042. Its totient is φ = 18448125040.
The previous prime is 18448124987. The next prime is 18448125067. The reversal of 18448125041 is 14052184481.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13450200625 + 4997924416 = 115975^2 + 70696^2 .
It is a cyclic number.
It is not a de Polignac number, because 18448125041 - 218 = 18447862897 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18448124986 and 18448125004.
It is not a weakly prime, because it can be changed into another prime (18448125071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9224062520 + 9224062521.
It is an arithmetic number, because the mean of its divisors is an integer number (9224062521).
Almost surely, 218448125041 is an apocalyptic number.
It is an amenable number.
18448125041 is a deficient number, since it is larger than the sum of its proper divisors (1).
18448125041 is an equidigital number, since it uses as much as digits as its factorization.
18448125041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 40960, while the sum is 38.
The spelling of 18448125041 in words is "eighteen billion, four hundred forty-eight million, one hundred twenty-five thousand, forty-one".
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