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50528811953 = 68373980691
BaseRepresentation
bin101111000011110000…
…000111101110110001
311211102102212121020202
4233003300013232301
51311440333440303
635113531444545
73436102546364
oct570360075661
9154372777222
1050528811953
111a47a219324
129961bb6755
1349c34a20c9
142634a660db
1514aaeeec88
hexbc3c07bb1

50528811953 has 4 divisors (see below), whose sum is σ = 50602793328. Its totient is φ = 50454830580.

The previous prime is 50528811937. The next prime is 50528811959. The reversal of 50528811953 is 35911882505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35911882505 = 57182376501.

It is a cyclic number.

It is not a de Polignac number, because 50528811953 - 24 = 50528811937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50528811898 and 50528811907.

It is not an unprimeable number, because it can be changed into a prime (50528811959) by changing a digit.

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, 36989663 + ... + 36991028.

It is an arithmetic number, because the mean of its divisors is an integer number (12650698332).

Almost surely, 250528811953 is an apocalyptic number.

It is an amenable number.

50528811953 is a deficient number, since it is larger than the sum of its proper divisors (73981375).

50528811953 is an equidigital number, since it uses as much as digits as its factorization.

50528811953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73981374.

The product of its (nonzero) digits is 432000, while the sum is 47.

The spelling of 50528811953 in words is "fifty billion, five hundred twenty-eight million, eight hundred eleven thousand, nine hundred fifty-three".

Divisors: 1 683 73980691 50528811953