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18248163103 = 1719495111411
BaseRepresentation
bin10000111111101011…
…001101111100011111
31202002202010201210201
4100333223031330133
5244333012204403
612214425244331
71214130553462
oct207753157437
952082121721
1018248163103
117814681035
1236533336a7
13194a77bb61
14c517892d9
1571c07821d
hex43facdf1f

18248163103 has 16 divisors (see below), whose sum is σ = 20344400640. Its totient is φ = 16266096000.

The previous prime is 18248163091. The next prime is 18248163151. The reversal of 18248163103 is 30136184281.

It is a cyclic number.

It is not a de Polignac number, because 18248163103 - 25 = 18248163071 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 (18248163173) 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 in 15 ways as a sum of consecutive naturals, for example, 1593468 + ... + 1604878.

It is an arithmetic number, because the mean of its divisors is an integer number (1271525040).

Almost surely, 218248163103 is an apocalyptic number.

18248163103 is a deficient number, since it is larger than the sum of its proper divisors (2096237537).

18248163103 is a wasteful number, since it uses less digits than its factorization.

18248163103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16398.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 18248163103 in words is "eighteen billion, two hundred forty-eight million, one hundred sixty-three thousand, one hundred three".

Divisors: 1 17 19 323 4951 11411 84167 94069 193987 216809 1599173 3685753 56495861 960429637 1073421359 18248163103