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5212205050 = 252132616829
BaseRepresentation
bin1001101101010101…
…11110111111111010
3111110020200110011111
410312222332333322
541133311030200
62221111350534
7243110004043
oct46652767772
914406613144
105212205050
112235176888
12101568244a
13650aca300
1437633d8ca
152078c20ba
hex136abeffa

5212205050 has 36 divisors (see below), whose sum is σ = 10497829770. Its totient is φ = 1924503360.

The previous prime is 5212205029. The next prime is 5212205051. The reversal of 5212205050 is 505022125.

It can be written as a sum of positive squares in 9 ways, for example, as 104101209 + 5108103841 = 10203^2 + 71471^2 .

It is not an unprimeable number, because it can be changed into a prime (5212205051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 299965 + ... + 316864.

Almost surely, 25212205050 is an apocalyptic number.

5212205050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5212205050 is an abundant number, since it is smaller than the sum of its proper divisors (5285624720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5212205050 is a wasteful number, since it uses less digits than its factorization.

5212205050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616867 (or 616849 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 5212205050 is about 72195.6027054280. The cubic root of 5212205050 is about 1733.8325992342.

Adding to 5212205050 its reverse (505022125), we get a palindrome (5717227175).

It can be divided in two parts, 52122050 and 50, that multiplied together give a square (2606102500 = 510502).

The spelling of 5212205050 in words is "five billion, two hundred twelve million, two hundred five thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 169 325 338 650 845 1690 4225 8450 616829 1233658 3084145 6168290 8018777 15420725 16037554 30841450 40093885 80187770 104244101 200469425 208488202 400938850 521220505 1042441010 2606102525 5212205050