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4161139123 is a prime number
BaseRepresentation
bin1111100000000101…
…1111000110110011
3101201222220202202211
43320001133012303
532010222422443
61524523352551
7205055045641
oct37001370663
911658822684
104161139123
111845944459
12981682757
135141207cb
142b68dc191
151954a519d
hexf805f1b3

4161139123 has 2 divisors, whose sum is σ = 4161139124. Its totient is φ = 4161139122.

The previous prime is 4161139121. The next prime is 4161139187. The reversal of 4161139123 is 3219311614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4161139123 - 21 = 4161139121 is a prime.

It is a super-2 number, since 2×41611391232 = 34630157601922418258, which contains 22 as substring.

Together with 4161139121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4161139121) 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, 2080569561 + 2080569562.

It is an arithmetic number, because the mean of its divisors is an integer number (2080569562).

Almost surely, 24161139123 is an apocalyptic number.

4161139123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161139123 is an equidigital number, since it uses as much as digits as its factorization.

4161139123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 4161139123 is about 64506.8920581359. The cubic root of 4161139123 is about 1608.4370881535.

The spelling of 4161139123 in words is "four billion, one hundred sixty-one million, one hundred thirty-nine thousand, one hundred twenty-three".