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50420367361 = 721326088681
BaseRepresentation
bin101110111101010010…
…011100000000000001
311211010212211001020101
4232331102130000001
51311230103223421
635055055242401
73433315023400
oct567522340001
9154125731211
1050420367361
111a423a8a2a1
129931819401
1349a6b92a00
1426244b7637
1514a172d191
hexbbd49c001

50420367361 has 18 divisors (see below), whose sum is σ = 63511041942. Its totient is φ = 39893031360.

The previous prime is 50420367313. The next prime is 50420367367. The reversal of 50420367361 is 16376302405.

It can be written as a sum of positive squares in 3 ways, for example, as 269452225 + 50150915136 = 16415^2 + 223944^2 .

It is not a de Polignac number, because 50420367361 - 211 = 50420365313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50420367361.

It is not an unprimeable number, because it can be changed into a prime (50420367367) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3036060 + ... + 3052621.

It is an arithmetic number, because the mean of its divisors is an integer number (3528391219).

Almost surely, 250420367361 is an apocalyptic number.

It is an amenable number.

50420367361 is a deficient number, since it is larger than the sum of its proper divisors (13090674581).

50420367361 is a wasteful number, since it uses less digits than its factorization.

50420367361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088721 (or 6088701 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 50420367361 its reverse (16376302405), we get a palindrome (66796669766).

The spelling of 50420367361 in words is "fifty billion, four hundred twenty million, three hundred sixty-seven thousand, three hundred sixty-one".

Divisors: 1 7 13 49 91 169 637 1183 8281 6088681 42620767 79152853 298345369 554069971 1028987089 3878489797 7202909623 50420367361