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50500005205 = 513776923157
BaseRepresentation
bin101111000010000010…
…001110110101010101
311211100102200001211011
4233002002032311111
51311411000131310
635111022212221
73435302650606
oct570202166525
9154312601734
1050500005205
111a464a333a1
129954424071
1349ba5272b0
142630cc7dad
1514a870e78a
hexbc208ed55

50500005205 has 8 divisors (see below), whose sum is σ = 65261545272. Its totient is φ = 37292311488.

The previous prime is 50500005187. The next prime is 50500005233. The reversal of 50500005205 is 50250000505.

It can be written as a sum of positive squares in 4 ways, for example, as 190412401 + 50309592804 = 13799^2 + 224298^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50500005205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 388461514 + ... + 388461643.

It is an arithmetic number, because the mean of its divisors is an integer number (8157693159).

Almost surely, 250500005205 is an apocalyptic number.

It is an amenable number.

50500005205 is a deficient number, since it is larger than the sum of its proper divisors (14761540067).

50500005205 is a wasteful number, since it uses less digits than its factorization.

50500005205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776923175.

The product of its (nonzero) digits is 1250, while the sum is 22.

The spelling of 50500005205 in words is "fifty billion, five hundred million, five thousand, two hundred five".

Divisors: 1 5 13 65 776923157 3884615785 10100001041 50500005205