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50225144021 = 1311813271357
BaseRepresentation
bin101110110001101001…
…101110000011010101
311210122021110200011022
4232301221232003111
51310330114102041
635023443050525
73425424452213
oct566151560325
9153567420138
1050225144021
111a33386a098
129898370a45
1349755bb940
1426065b9cb3
15148e51924b
hexbb1a6e0d5

50225144021 has 8 divisors (see below), whose sum is σ = 54134432184. Its totient is φ = 46322400960.

The previous prime is 50225143987. The next prime is 50225144069. The reversal of 50225144021 is 12044152205.

It can be written as a sum of positive squares in 4 ways, for example, as 5020431025 + 45204712996 = 70855^2 + 212614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50225144021 - 26 = 50225143957 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 (50225134021) 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 7 ways as a sum of consecutive naturals, for example, 1620326 + ... + 1651031.

It is an arithmetic number, because the mean of its divisors is an integer number (6766804023).

Almost surely, 250225144021 is an apocalyptic number.

It is an amenable number.

50225144021 is a deficient number, since it is larger than the sum of its proper divisors (3909288163).

50225144021 is a wasteful number, since it uses less digits than its factorization.

50225144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272551.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 50225144021 its reverse (12044152205), we get a palindrome (62269296226).

The spelling of 50225144021 in words is "fifty billion, two hundred twenty-five million, one hundred forty-four thousand, twenty-one".

Divisors: 1 13 1181 15353 3271357 42527641 3863472617 50225144021