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51044341888 = 27398783921
BaseRepresentation
bin101111100010011110…
…101101100010000000
311212202100221020101001
4233202132231202000
51314014322420023
635241025221344
73454632514201
oct574236554200
9155670836331
1051044341888
111a714222621
129a86791854
134a76233ac7
1426833015a8
1514db3d46ad
hexbe27ad880

51044341888 has 16 divisors (see below), whose sum is σ = 101689900110. Its totient is φ = 25522170880.

The previous prime is 51044341877. The next prime is 51044341889. The reversal of 51044341888 is 88814344015.

It can be written as a sum of positive squares in only one way, i.e., 44332144704 + 6712197184 = 210552^2 + 81928^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (51044341889) by changing a digit.

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 as a sum of consecutive naturals, namely, 199391833 + ... + 199392088.

Almost surely, 251044341888 is an apocalyptic number.

It is an amenable number.

51044341888 is a deficient number, since it is larger than the sum of its proper divisors (50645558222).

51044341888 is an equidigital number, since it uses as much as digits as its factorization.

51044341888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398783935 (or 398783923 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 51044341888 in words is "fifty-one billion, forty-four million, three hundred forty-one thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 398783921 797567842 1595135684 3190271368 6380542736 12761085472 25522170944 51044341888