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389881424213 is a prime number
BaseRepresentation
bin1011010110001101011…
…11100110100101010101
31101021100111200110110122
411223012233212211111
522341434121033323
6455035320001325
740111424266031
oct5530657464525
91337314613418
10389881424213
11140390999676
126368a600245
132a9c52052a8
1414c283b51c1
15a21d416ec8
hex5ac6be6955

389881424213 has 2 divisors, whose sum is σ = 389881424214. Its totient is φ = 389881424212.

The previous prime is 389881424209. The next prime is 389881424227. The reversal of 389881424213 is 312424188983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324464665924 + 65416758289 = 569618^2 + 255767^2 .

It is a cyclic number.

It is not a de Polignac number, because 389881424213 - 22 = 389881424209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389881424243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194940712106 + 194940712107.

It is an arithmetic number, because the mean of its divisors is an integer number (194940712107).

Almost surely, 2389881424213 is an apocalyptic number.

It is an amenable number.

389881424213 is a deficient number, since it is larger than the sum of its proper divisors (1).

389881424213 is an equidigital number, since it uses as much as digits as its factorization.

389881424213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 53.

The spelling of 389881424213 in words is "three hundred eighty-nine billion, eight hundred eighty-one million, four hundred twenty-four thousand, two hundred thirteen".