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285925488643 is a prime number
BaseRepresentation
bin1000010100100100111…
…11001011100000000011
31000100000122020202210201
410022102133023200003
514141033411114033
6335204035310031
726441333360464
oct4122237134003
91010018222721
10285925488643
11100295536633
12474b7a4b317
1320c68c61992
14dba5bd0d6b
157686c5d47d
hex42927cb803

285925488643 has 2 divisors, whose sum is σ = 285925488644. Its totient is φ = 285925488642.

The previous prime is 285925488601. The next prime is 285925488713. The reversal of 285925488643 is 346884529582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285925488643 - 29 = 285925488131 is a prime.

It is not a weakly prime, because it can be changed into another prime (285925483643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142962744321 + 142962744322.

It is an arithmetic number, because the mean of its divisors is an integer number (142962744322).

Almost surely, 2285925488643 is an apocalyptic number.

285925488643 is a deficient number, since it is larger than the sum of its proper divisors (1).

285925488643 is an equidigital number, since it uses as much as digits as its factorization.

285925488643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132710400, while the sum is 64.

The spelling of 285925488643 in words is "two hundred eighty-five billion, nine hundred twenty-five million, four hundred eighty-eight thousand, six hundred forty-three".