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5685182161 is a prime number
BaseRepresentation
bin1010100101101110…
…01111111011010001
3112200012200011210021
411102313033323101
543120401312121
62340045103441
7260612152051
oct52267177321
915605604707
105685182161
11245815655a
121127b57b81
136c7ab0519
143bd09d561
1523419d641
hex152dcfed1

5685182161 has 2 divisors, whose sum is σ = 5685182162. Its totient is φ = 5685182160.

The previous prime is 5685182141. The next prime is 5685182213. The reversal of 5685182161 is 1612815865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4698279936 + 986902225 = 68544^2 + 31415^2 .

It is a cyclic number.

It is not a de Polignac number, because 5685182161 - 217 = 5685051089 is a prime.

It is not a weakly prime, because it can be changed into another prime (5685182131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842591080 + 2842591081.

It is an arithmetic number, because the mean of its divisors is an integer number (2842591081).

Almost surely, 25685182161 is an apocalyptic number.

It is an amenable number.

5685182161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5685182161 is an equidigital number, since it uses as much as digits as its factorization.

5685182161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 43.

The square root of 5685182161 is about 75400.1469560902. The cubic root of 5685182161 is about 1784.7667296587.

The spelling of 5685182161 in words is "five billion, six hundred eighty-five million, one hundred eighty-two thousand, one hundred sixty-one".