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4890072917 is a prime number
BaseRepresentation
bin1001000110111100…
…01001011101010101
3110121210112102221202
410203132021131111
540003324313132
62125123122245
7232115635232
oct44336113525
913553472852
104890072917
11208a356184
12b45813385
135cc150792
14345648789
151d9490762
hex123789755

4890072917 has 2 divisors, whose sum is σ = 4890072918. Its totient is φ = 4890072916.

The previous prime is 4890072851. The next prime is 4890072923. The reversal of 4890072917 is 7192700984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4881257956 + 8814961 = 69866^2 + 2969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4890072917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4890072217) 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, 2445036458 + 2445036459.

It is an arithmetic number, because the mean of its divisors is an integer number (2445036459).

Almost surely, 24890072917 is an apocalyptic number.

It is an amenable number.

4890072917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4890072917 is an equidigital number, since it uses as much as digits as its factorization.

4890072917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 4890072917 is about 69929.0563142389. The cubic root of 4890072917 is about 1697.3514602409.

The spelling of 4890072917 in words is "four billion, eight hundred ninety million, seventy-two thousand, nine hundred seventeen".