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5518789187 is a prime number
BaseRepresentation
bin1010010001111001…
…00000101001000011
3112020121120112112112
411020330200221003
542300302223222
62311342445535
7253521635252
oct51074405103
915217515475
105518789187
112382237aaa
1210a02938ab
1369c491c42
143a4d48799
15224781be2
hex148f20a43

5518789187 has 2 divisors, whose sum is σ = 5518789188. Its totient is φ = 5518789186.

The previous prime is 5518789151. The next prime is 5518789193. The reversal of 5518789187 is 7819878155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5518789187 - 214 = 5518772803 is a prime.

It is not a weakly prime, because it can be changed into another prime (5518789147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759394593 + 2759394594.

It is an arithmetic number, because the mean of its divisors is an integer number (2759394594).

Almost surely, 25518789187 is an apocalyptic number.

5518789187 is a deficient number, since it is larger than the sum of its proper divisors (1).

5518789187 is an equidigital number, since it uses as much as digits as its factorization.

5518789187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 59.

The square root of 5518789187 is about 74288.5535395595. The cubic root of 5518789187 is about 1767.1819550219.

The spelling of 5518789187 in words is "five billion, five hundred eighteen million, seven hundred eighty-nine thousand, one hundred eighty-seven".