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18824248253 is a prime number
BaseRepresentation
bin10001100010000000…
…110011101110111101
31210120220010220001202
4101202000303232331
5302023001421003
612351524545245
71234324320146
oct214200635675
953526126052
1018824248253
117a8a885368
123794252225
131a0cc23445
14ca80a8acd
15752920088
hex462033bbd

18824248253 has 2 divisors, whose sum is σ = 18824248254. Its totient is φ = 18824248252.

The previous prime is 18824248249. The next prime is 18824248259. The reversal of 18824248253 is 35284242881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10613532484 + 8210715769 = 103022^2 + 90613^2 .

It is a cyclic number.

It is not a de Polignac number, because 18824248253 - 22 = 18824248249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18824248198 and 18824248207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18824248259) 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, 9412124126 + 9412124127.

It is an arithmetic number, because the mean of its divisors is an integer number (9412124127).

Almost surely, 218824248253 is an apocalyptic number.

It is an amenable number.

18824248253 is a deficient number, since it is larger than the sum of its proper divisors (1).

18824248253 is an equidigital number, since it uses as much as digits as its factorization.

18824248253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 983040, while the sum is 47.

The spelling of 18824248253 in words is "eighteen billion, eight hundred twenty-four million, two hundred forty-eight thousand, two hundred fifty-three".