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285008635043 = 11294144948533
BaseRepresentation
bin1000010010110111101…
…01101010010010100011
31000020122202000210002222
410021123311222102203
514132144202310133
6334533044101255
726406531266066
oct4113365522243
91006582023088
10285008635043
11aa964a42990
12472a099482b
1320b51017062
14db1a1288dd
157631502e98
hex425bd6a4a3

285008635043 has 32 divisors (see below), whose sum is σ = 330225336000. Its totient is φ = 243514163200.

The previous prime is 285008635027. The next prime is 285008635061. The reversal of 285008635043 is 340536800582.

It is a Cunningham number, because it is equal to 5338622-1.

It is not a de Polignac number, because 285008635043 - 24 = 285008635027 is a prime.

It is a super-2 number, since 2×2850086350432 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285008634985 and 285008635003.

It is not an unprimeable number, because it can be changed into a prime (285008635073) 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 31 ways as a sum of consecutive naturals, for example, 5848205 + ... + 5896737.

It is an arithmetic number, because the mean of its divisors is an integer number (10319541750).

Almost surely, 2285008635043 is an apocalyptic number.

285008635043 is a deficient number, since it is larger than the sum of its proper divisors (45216700957).

285008635043 is a wasteful number, since it uses less digits than its factorization.

285008635043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49063.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 285008635043 in words is "two hundred eighty-five billion, eight million, six hundred thirty-five thousand, forty-three".

Divisors: 1 11 29 41 319 449 451 1189 4939 13021 13079 18409 48533 143231 202499 533861 533863 1407457 1989853 5872471 15482027 21791317 21888383 57705737 239704487 631948193 634763107 893443997 6951430123 9827883967 25909875913 285008635043