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285799694501 is a prime number
BaseRepresentation
bin1000010100010101111…
…11010100000010100101
31000022200212112202200102
410022022333110002211
514140304210211001
6335143343153445
726435245214636
oct4121277240245
91008625482612
10285799694501
11100230527632
12474818a5885
1320c48b89689
14db9320788d
15767abb0e6b
hex428afd40a5

285799694501 has 2 divisors, whose sum is σ = 285799694502. Its totient is φ = 285799694500.

The previous prime is 285799694449. The next prime is 285799694503. The reversal of 285799694501 is 105496997582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270450962401 + 15348732100 = 520049^2 + 123890^2 .

It is a cyclic number.

It is not a de Polignac number, because 285799694501 - 214 = 285799678117 is a prime.

It is a super-4 number, since 4×2857996945014 (a number of 47 digits) contains 4444 as substring.

Together with 285799694503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285799694503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142899847250 + 142899847251.

It is an arithmetic number, because the mean of its divisors is an integer number (142899847251).

Almost surely, 2285799694501 is an apocalyptic number.

It is an amenable number.

285799694501 is a deficient number, since it is larger than the sum of its proper divisors (1).

285799694501 is an equidigital number, since it uses as much as digits as its factorization.

285799694501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 285799694501 in words is "two hundred eighty-five billion, seven hundred ninety-nine million, six hundred ninety-four thousand, five hundred one".