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28058048461 is a prime number
BaseRepresentation
bin11010001000011000…
…111101011111001101
32200102102011112200001
4122020120331133031
5424430330022321
620520101204301
72012206322362
oct321030753715
980372145601
1028058048461
1110999045103
125530700691
132851c63651
141502580469
15ae33d0c91
hex68863d7cd

28058048461 has 2 divisors, whose sum is σ = 28058048462. Its totient is φ = 28058048460.

The previous prime is 28058048399. The next prime is 28058048479. The reversal of 28058048461 is 16484085082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28052900100 + 5148361 = 167490^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 28058048461 - 233 = 19468113869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28058048761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14029024230 + 14029024231.

It is an arithmetic number, because the mean of its divisors is an integer number (14029024231).

Almost surely, 228058048461 is an apocalyptic number.

It is an amenable number.

28058048461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28058048461 is an equidigital number, since it uses as much as digits as its factorization.

28058048461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 28058048461 in words is "twenty-eight billion, fifty-eight million, forty-eight thousand, four hundred sixty-one".