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BaseRepresentation
bin1001000011101100…
…11000101001001011
3110112220100111111112
410201312120221023
534424343402024
62122312120535
7231335505536
oct44166305113
913486314445
104862872139
112075a678a4
12b3869614b
135c6618948
14341ba7a1d
151d6dbb00e
hex121d98a4b

4862872139 has 2 divisors, whose sum is σ = 4862872140. Its totient is φ = 4862872138.

The previous prime is 4862872087. The next prime is 4862872169. The reversal of 4862872139 is 9312782684.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4862872139 - 216 = 4862806603 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4862872169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2431436069 + 2431436070.

It is an arithmetic number, because the mean of its divisors is an integer number (2431436070).

Almost surely, 24862872139 is an apocalyptic number.

4862872139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4862872139 is an equidigital number, since it uses as much as digits as its factorization.

4862872139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 4862872139 is about 69734.2967197634. The cubic root of 4862872139 is about 1694.1984635942.

The spelling of 4862872139 in words is "four billion, eight hundred sixty-two million, eight hundred seventy-two thousand, one hundred thirty-nine".