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50420404445 = 510084080889
BaseRepresentation
bin101110111101010010…
…100101000011011101
311211010212212221002212
4232331102211003131
51311230110420240
635055100130205
73433315236455
oct567522450335
9154125787085
1050420404445
111a424005144
129931836965
1349a6ba6858
1426244c6d65
1514a1739165
hexbbd4a50dd

50420404445 has 4 divisors (see below), whose sum is σ = 60504485340. Its totient is φ = 40336323552.

The previous prime is 50420404417. The next prime is 50420404459. The reversal of 50420404445 is 54440402405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54440402405 = 510888080481.

It can be written as a sum of positive squares in 2 ways, for example, as 26521099609 + 23899304836 = 162853^2 + 154594^2 .

It is a cyclic number.

It is not a de Polignac number, because 50420404445 - 26 = 50420404381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042040440 + ... + 5042040449.

It is an arithmetic number, because the mean of its divisors is an integer number (15126121335).

Almost surely, 250420404445 is an apocalyptic number.

It is an amenable number.

50420404445 is a deficient number, since it is larger than the sum of its proper divisors (10084080895).

50420404445 is a wasteful number, since it uses less digits than its factorization.

50420404445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084080894.

The product of its (nonzero) digits is 51200, while the sum is 32.

The spelling of 50420404445 in words is "fifty billion, four hundred twenty million, four hundred four thousand, four hundred forty-five".

Divisors: 1 5 10084080889 50420404445