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385132042771 = 779773900959
BaseRepresentation
bin1011001101010111010…
…10001001101000010011
31100211002111212212221021
411212223222021220103
522302222300332041
6452532140140311
736552634230640
oct5465352115023
91324074785837
10385132042771
11139373aa8043
1262783b37697
132a419274808
14148d7710dc7
15a0414b7cd1
hex59aba89a13

385132042771 has 16 divisors (see below), whose sum is σ = 446299545600. Its totient is φ = 325512521568.

The previous prime is 385132042741. The next prime is 385132042777. The reversal of 385132042771 is 177240231583.

It is a cyclic number.

It is not a de Polignac number, because 385132042771 - 29 = 385132042259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385132042777) 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 in 15 ways as a sum of consecutive naturals, for example, 23011 + ... + 877948.

It is an arithmetic number, because the mean of its divisors is an integer number (27893721600).

Almost surely, 2385132042771 is an apocalyptic number.

385132042771 is a deficient number, since it is larger than the sum of its proper divisors (61167502829).

385132042771 is an equidigital number, since it uses as much as digits as its factorization.

385132042771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901818.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 385132042771 in words is "three hundred eighty-five billion, one hundred thirty-two million, forty-two thousand, seven hundred seventy-one".

Divisors: 1 7 79 553 773 5411 61067 427469 900959 6306713 71175761 498230327 696441307 4875089149 55018863253 385132042771