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50512333543121 = 431171171517813
BaseRepresentation
bin10110111110000110100011…
…01100101001011011010001
320121211221011101002212212202
423133003101230221123101
523110043224341334441
6255233013511132545
713432252466610242
oct1337032154513321
9217757141085782
1050512333543121
111510518448202a
1257b9766374155
1322253a5b48c58
14c68b4a870cc9
155c8e1d44b19b
hex2df0d1b296d1

50512333543121 has 4 divisors (see below), whose sum is σ = 50513505104052. Its totient is φ = 50511161982192.

The previous prime is 50512333543103. The next prime is 50512333543123. The reversal of 50512333543121 is 12134533321505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28743912982225 + 21768420560896 = 5361335^2 + 4665664^2 .

It is a cyclic number.

It is not a de Polignac number, because 50512333543121 - 214 = 50512333526737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50512333543123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585715790 + ... + 585802023.

It is an arithmetic number, because the mean of its divisors is an integer number (12628376276013).

Almost surely, 250512333543121 is an apocalyptic number.

It is an amenable number.

50512333543121 is a deficient number, since it is larger than the sum of its proper divisors (1171560931).

50512333543121 is a wasteful number, since it uses less digits than its factorization.

50512333543121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171560930.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 50512333543121 its reverse (12134533321505), we get a palindrome (62646866864626).

The spelling of 50512333543121 in words is "fifty trillion, five hundred twelve billion, three hundred thirty-three million, five hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 43117 1171517813 50512333543121