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2801228047 is a prime number
BaseRepresentation
bin1010011011110111…
…0101100100001111
321020020000010110221
42212331311210033
521214103244142
61141544012211
7126263021422
oct24675654417
97206003427
102801228047
111208247102
12662161067
1335846a1b7
141c80639b9
15115dcd767
hexa6f7590f

2801228047 has 2 divisors, whose sum is σ = 2801228048. Its totient is φ = 2801228046.

The previous prime is 2801228041. The next prime is 2801228071. The reversal of 2801228047 is 7408221082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2801228047 - 215 = 2801195279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2801228041) 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, 1400614023 + 1400614024.

It is an arithmetic number, because the mean of its divisors is an integer number (1400614024).

Almost surely, 22801228047 is an apocalyptic number.

2801228047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2801228047 is an equidigital number, since it uses as much as digits as its factorization.

2801228047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 2801228047 is about 52926.6289026611. The cubic root of 2801228047 is about 1409.6657737733.

The spelling of 2801228047 in words is "two billion, eight hundred one million, two hundred twenty-eight thousand, forty-seven".