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285608053012 = 22557252150849
BaseRepresentation
bin1000010011111111001…
…00010000100100010100
31000022012111221100222111
410021333210100210110
514134411130144022
6335112335440404
726430430252252
oct4117744204424
91008174840874
10285608053012
11100142333537
1247429686104
1320c1826aa49
14db7599d5d2
157668e58477
hex427f910914

285608053012 has 24 divisors (see below), whose sum is σ = 500919892200. Its totient is φ = 142488299520.

The previous prime is 285608053009. The next prime is 285608053013. The reversal of 285608053012 is 210350806582.

It can be written as a sum of positive squares in 4 ways, for example, as 5709918096 + 279898134916 = 75564^2 + 529054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285608053013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591364 + ... + 5642212.

It is an arithmetic number, because the mean of its divisors is an integer number (20871662175).

Almost surely, 2285608053012 is an apocalyptic number.

It is an amenable number.

285608053012 is a deficient number, since it is larger than the sum of its proper divisors (215311839188).

285608053012 is a wasteful number, since it uses less digits than its factorization.

285608053012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53931 (or 53929 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 285608053012 its reverse (210350806582), we get a palindrome (495958859594).

It can be divided in two parts, 2856080 and 53012, that added together give a palindrome (2909092).

The spelling of 285608053012 in words is "two hundred eighty-five billion, six hundred eight million, fifty-three thousand, twelve".

Divisors: 1 2 4 557 1114 2228 2521 5042 10084 50849 101698 203396 1404197 2808394 5616788 28322893 56645786 113291572 128190329 256380658 512761316 71402013253 142804026506 285608053012