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389728813883 is a prime number
BaseRepresentation
bin1011010101111011010…
…01011100001100111011
31101020221212112001110012
411222331221130030323
522341131034021013
6455012225012135
740104562154663
oct5527551341473
91336855461405
10389728813883
11140312834232
126364748404b
132a99c701216
1414c1200b1a3
15a20ed1e1a8
hex5abda5c33b

389728813883 has 2 divisors, whose sum is σ = 389728813884. Its totient is φ = 389728813882.

The previous prime is 389728813867. The next prime is 389728813921. The reversal of 389728813883 is 388318827983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389728813883 - 24 = 389728813867 is a prime.

It is not a weakly prime, because it can be changed into another prime (389728813853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194864406941 + 194864406942.

It is an arithmetic number, because the mean of its divisors is an integer number (194864406942).

Almost surely, 2389728813883 is an apocalyptic number.

389728813883 is a deficient number, since it is larger than the sum of its proper divisors (1).

389728813883 is an equidigital number, since it uses as much as digits as its factorization.

389728813883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111476736, while the sum is 68.

The spelling of 389728813883 in words is "three hundred eighty-nine billion, seven hundred twenty-eight million, eight hundred thirteen thousand, eight hundred eighty-three".