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285225304079 is a prime number
BaseRepresentation
bin1000010011010001100…
…00001100000000001111
31000021012211201201011002
410021220300030000033
514133120134212304
6335010344050515
726415102040202
oct4115060140017
91007184651132
10285225304079
11aaa66280601
1247341463a3b
1320b86b895a1
14db3ac09939
15764555131e
hex4268c0c00f

285225304079 has 2 divisors, whose sum is σ = 285225304080. Its totient is φ = 285225304078.

The previous prime is 285225304031. The next prime is 285225304093. The reversal of 285225304079 is 970403522582.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-285225304079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285225304279) 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, 142612652039 + 142612652040.

It is an arithmetic number, because the mean of its divisors is an integer number (142612652040).

Almost surely, 2285225304079 is an apocalyptic number.

285225304079 is a deficient number, since it is larger than the sum of its proper divisors (1).

285225304079 is an equidigital number, since it uses as much as digits as its factorization.

285225304079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 285225304079 in words is "two hundred eighty-five billion, two hundred twenty-five million, three hundred four thousand, seventy-nine".