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52105243205 = 533730922993
BaseRepresentation
bin110000100001101101…
…101110101001000101
311222111022012121101102
4300201231232221011
51323202420240310
635534204105445
73523134155021
oct604155565105
9158438177342
1052105243205
1120109062474
12a121b35285
134bb4c75272
142744183381
15154e5e58a5
hexc21b6ea45

52105243205 has 8 divisors (see below), whose sum is σ = 62711831832. Its totient is φ = 41560501248.

The previous prime is 52105243189. The next prime is 52105243213. The reversal of 52105243205 is 50234250125.

It can be written as a sum of positive squares in 4 ways, for example, as 782153089 + 51323090116 = 27967^2 + 226546^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 52105243205 - 24 = 52105243189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 15459812 + ... + 15463181.

It is an arithmetic number, because the mean of its divisors is an integer number (7838978979).

Almost surely, 252105243205 is an apocalyptic number.

It is an amenable number.

52105243205 is a deficient number, since it is larger than the sum of its proper divisors (10606588627).

52105243205 is a wasteful number, since it uses less digits than its factorization.

52105243205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30923335.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 52105243205 in words is "fifty-two billion, one hundred five million, two hundred forty-three thousand, two hundred five".

Divisors: 1 5 337 1685 30922993 154614965 10421048641 52105243205