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18448125041 is a prime number
BaseRepresentation
bin10001001011100110…
…000000110001110001
31202121200101212000102
4101023212000301301
5300240210000131
612250331202145
71222106322053
oct211346006161
952550355012
1018448125041
117907538435
1236aa2a6355
131980021a28
14c7015b8d3
1572e8c61cb
hex44b980c71

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".