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5216521511050 = 252104330430221
BaseRepresentation
bin100101111101001000011…
…1010010110000010001010
3200110200202100112112101021
41023322100322112002022
51140431414001323200
615032234211543054
71045611160144633
oct113722072260212
920420670475337
105216521511050
111731350442523
12702bb65baa8a
132babba213885
141406a3b9088a
1590a6135341a
hex4be90e9608a

5216521511050 has 12 divisors (see below), whose sum is σ = 9702730010646. Its totient is φ = 2086608604400.

The previous prime is 5216521511021. The next prime is 5216521511051. The reversal of 5216521511050 is 501151256125.

It can be written as a sum of positive squares in 3 ways, for example, as 1901671338121 + 3314850172929 = 1379011^2 + 1820673^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5216521510997 and 5216521511015.

It is not an unprimeable number, because it can be changed into a prime (5216521511051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52165215061 + ... + 52165215160.

Almost surely, 25216521511050 is an apocalyptic number.

5216521511050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5216521511050 is a deficient number, since it is larger than the sum of its proper divisors (4486208499596).

5216521511050 is a wasteful number, since it uses less digits than its factorization.

5216521511050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104330430233 (or 104330430228 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

Adding to 5216521511050 its reverse (501151256125), we get a palindrome (5717672767175).

The spelling of 5216521511050 in words is "five trillion, two hundred sixteen billion, five hundred twenty-one million, five hundred eleven thousand, fifty".

Divisors: 1 2 5 10 25 50 104330430221 208660860442 521652151105 1043304302210 2608260755525 5216521511050