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50641445105 = 510128289021
BaseRepresentation
bin101111001010011101…
…110010000011110001
311211201021210221212222
4233022131302003301
51312203202220410
635133033530425
73441641116046
oct571235620361
9154637727788
1050641445105
111a527859279
129993873a15
134a10919b44
1426459c51cd
1514b5d4c955
hexbca7720f1

50641445105 has 4 divisors (see below), whose sum is σ = 60769734132. Its totient is φ = 40513156080.

The previous prime is 50641445087. The next prime is 50641445131. The reversal of 50641445105 is 50154414605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7543269904 + 43098175201 = 86852^2 + 207601^2 .

It is not a de Polignac number, because 50641445105 - 228 = 50373009649 is a prime.

It is a super-2 number, since 2×506414451052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5064144506 + ... + 5064144515.

It is an arithmetic number, because the mean of its divisors is an integer number (15192433533).

Almost surely, 250641445105 is an apocalyptic number.

It is an amenable number.

50641445105 is a deficient number, since it is larger than the sum of its proper divisors (10128289027).

50641445105 is a wasteful number, since it uses less digits than its factorization.

50641445105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128289026.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 50641445105 in words is "fifty billion, six hundred forty-one million, four hundred forty-five thousand, one hundred five".

Divisors: 1 5 10128289021 50641445105