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50444051249 = 109462789461
BaseRepresentation
bin101110111110101100…
…110010001100110001
311211012112101022102102
4232332230302030301
51311302134114444
635101303030145
73434023234544
oct567654621461
9154175338372
1050444051249
111a436396359
12993973b355
1349aba65b47
1426276c085b
1514a385a84e
hexbbeb32331

50444051249 has 4 divisors (see below), whose sum is σ = 50906840820. Its totient is φ = 49981261680.

The previous prime is 50444051209. The next prime is 50444051267. The reversal of 50444051249 is 94215044405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94215044405 = 518843008881.

It can be written as a sum of positive squares in 2 ways, for example, as 19191115024 + 31252936225 = 138532^2 + 176785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50444051249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50444051209) 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, 231394622 + ... + 231394839.

It is an arithmetic number, because the mean of its divisors is an integer number (12726710205).

Almost surely, 250444051249 is an apocalyptic number.

It is an amenable number.

50444051249 is a deficient number, since it is larger than the sum of its proper divisors (462789571).

50444051249 is a wasteful number, since it uses less digits than its factorization.

50444051249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462789570.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 50444051249 in words is "fifty billion, four hundred forty-four million, fifty-one thousand, two hundred forty-nine".

Divisors: 1 109 462789461 50444051249