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50321213053 = 73368651041
BaseRepresentation
bin101110110111011000…
…001100011001111101
311210212222020111002121
4232313120030121331
51311024212304203
635041154122541
73431002152646
oct566730143175
9153788214077
1050321213053
111a383016191
129904580451
13498c487117
1426152666cd
151497b940bd
hexbb760c67d

50321213053 has 4 divisors (see below), whose sum is σ = 50389864828. Its totient is φ = 50252561280.

The previous prime is 50321213017. The next prime is 50321213083. The reversal of 50321213053 is 35031212305.

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 36949297284 + 13371915769 = 192222^2 + 115637^2 .

It is a cyclic number.

It is not a de Polignac number, because 50321213053 - 221 = 50319115901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50321213083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34324788 + ... + 34326253.

It is an arithmetic number, because the mean of its divisors is an integer number (12597466207).

Almost surely, 250321213053 is an apocalyptic number.

It is an amenable number.

50321213053 is a deficient number, since it is larger than the sum of its proper divisors (68651775).

50321213053 is an equidigital number, since it uses as much as digits as its factorization.

50321213053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68651774.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 50321213053 its reverse (35031212305), we get a palindrome (85352425358).

The spelling of 50321213053 in words is "fifty billion, three hundred twenty-one million, two hundred thirteen thousand, fifty-three".

Divisors: 1 733 68651041 50321213053