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51829593185 = 552119896197
BaseRepresentation
bin110000010001010010…
…001101010001100001
311221210002112010122102
4300101102031101201
51322121333440220
635451000020145
73513246162446
oct602122152141
9157702463572
1051829593185
111aa874aa537
12a065761655
134b6cb21846
14271970b9cd
1515352e6775
hexc1148d461

51829593185 has 8 divisors (see below), whose sum is σ = 62314892136. Its totient is φ = 41384087680.

The previous prime is 51829593181. The next prime is 51829593197. The reversal of 51829593185 is 58139592815.

It can be written as a sum of positive squares in 4 ways, for example, as 14171473936 + 37658119249 = 119044^2 + 194057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51829593185 - 22 = 51829593181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51829593185.

It is not an unprimeable number, because it can be changed into a prime (51829593181) 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 in 7 ways as a sum of consecutive naturals, for example, 9945494 + ... + 9950703.

It is an arithmetic number, because the mean of its divisors is an integer number (7789361517).

Almost surely, 251829593185 is an apocalyptic number.

It is an amenable number.

51829593185 is a deficient number, since it is larger than the sum of its proper divisors (10485298951).

51829593185 is a wasteful number, since it uses less digits than its factorization.

51829593185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19896723.

The product of its digits is 3888000, while the sum is 56.

The spelling of 51829593185 in words is "fifty-one billion, eight hundred twenty-nine million, five hundred ninety-three thousand, one hundred eighty-five".

Divisors: 1 5 521 2605 19896197 99480985 10365918637 51829593185