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50605650065 = 5172347215483
BaseRepresentation
bin101111001000010101…
…001111000010010001
311211121210110101022202
4233020111033002101
51312120021300230
635125314412545
73441024633245
oct571025170221
9154553411282
1050605650065
111a50962a9a3
129983891155
134a06396249
142640d48425
1514b2b2ba45
hexbc854f091

50605650065 has 32 divisors (see below), whose sum is σ = 67121001216. Its totient is φ = 36432056320.

The previous prime is 50605650061. The next prime is 50605650077. The reversal of 50605650065 is 56005650605.

It is a happy number.

It is not a de Polignac number, because 50605650065 - 22 = 50605650061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50605650061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9226814 + ... + 9232296.

It is an arithmetic number, because the mean of its divisors is an integer number (2097531288).

Almost surely, 250605650065 is an apocalyptic number.

It is an amenable number.

50605650065 is a deficient number, since it is larger than the sum of its proper divisors (16515351151).

50605650065 is a wasteful number, since it uses less digits than its factorization.

50605650065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 50605650065 in words is "fifty billion, six hundred five million, six hundred fifty thousand, sixty-five".

Divisors: 1 5 17 23 85 115 391 1955 4721 5483 23605 27415 80257 93211 108583 126109 401285 466055 542915 630545 1845911 2143853 9229555 10719265 25885243 129426215 440049131 595360589 2200245655 2976802945 10121130013 50605650065