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285417340193 is a prime number
BaseRepresentation
bin1000010011101000011…
…00101111110100100001
31000021201020002011011202
410021310030233310201
514134013314341233
6335041404050545
726422623235226
oct4116414576441
91007636064152
10285417340193
11100054714137
1247395833a55
1320bb78b5a1b
14db5851794d
157657335be8
hex427432fd21

285417340193 has 2 divisors, whose sum is σ = 285417340194. Its totient is φ = 285417340192.

The previous prime is 285417340189. The next prime is 285417340207. The reversal of 285417340193 is 391043714582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277551956224 + 7865383969 = 526832^2 + 88687^2 .

It is a cyclic number.

It is not a de Polignac number, because 285417340193 - 22 = 285417340189 is a prime.

It is not a weakly prime, because it can be changed into another prime (285417340393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142708670096 + 142708670097.

It is an arithmetic number, because the mean of its divisors is an integer number (142708670097).

Almost surely, 2285417340193 is an apocalyptic number.

It is an amenable number.

285417340193 is a deficient number, since it is larger than the sum of its proper divisors (1).

285417340193 is an equidigital number, since it uses as much as digits as its factorization.

285417340193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 285417340193 in words is "two hundred eighty-five billion, four hundred seventeen million, three hundred forty thousand, one hundred ninety-three".