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5220999220 = 225261049961
BaseRepresentation
bin1001101110011001…
…00010000000110100
3111110212020020111111
410313030202000310
541143033433340
62222024044404
7243244522033
oct46714420064
914425206444
105220999220
11223a132a98
121018603704
13652889068
1437758c71a
1520855caea
hex137322034

5220999220 has 12 divisors (see below), whose sum is σ = 10964098404. Its totient is φ = 2088399680.

The previous prime is 5220999197. The next prime is 5220999221. The reversal of 5220999220 is 229990225.

It can be written as a sum of positive squares in 2 ways, for example, as 688747536 + 4532251684 = 26244^2 + 67322^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220999221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130524961 + ... + 130525000.

It is an arithmetic number, because the mean of its divisors is an integer number (913674867).

Almost surely, 25220999220 is an apocalyptic number.

It is an amenable number.

5220999220 is an abundant number, since it is smaller than the sum of its proper divisors (5743099184).

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

5220999220 is a wasteful number, since it uses less digits than its factorization.

5220999220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261049970 (or 261049968 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 5220999220 is about 72256.4822005611. The cubic root of 5220999220 is about 1734.8071740458.

The spelling of 5220999220 in words is "five billion, two hundred twenty million, nine hundred ninety-nine thousand, two hundred twenty".