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5216052557 = 17306826621
BaseRepresentation
bin1001101101110011…
…01010010101001101
3111110111220220221202
410312321222111031
541140302140212
62221330035245
7243154500212
oct46671522515
914414826852
105216052557
112237364541
121016a18b25
13651846641
14376a61b09
15207dd20c2
hex136e6a54d

5216052557 has 4 divisors (see below), whose sum is σ = 5522879196. Its totient is φ = 4909225920.

The previous prime is 5216052533. The next prime is 5216052563. The reversal of 5216052557 is 7552506125.

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 1520142121 + 3695910436 = 38989^2 + 60794^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216052557 - 214 = 5216036173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5216052557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216052757) 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, 153413294 + ... + 153413327.

It is an arithmetic number, because the mean of its divisors is an integer number (1380719799).

Almost surely, 25216052557 is an apocalyptic number.

It is an amenable number.

5216052557 is a deficient number, since it is larger than the sum of its proper divisors (306826639).

5216052557 is a wasteful number, since it uses less digits than its factorization.

5216052557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306826638.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 5216052557 is about 72222.2441980308. The cubic root of 5216052557 is about 1734.2591168813.

The spelling of 5216052557 in words is "five billion, two hundred sixteen million, fifty-two thousand, five hundred fifty-seven".

Divisors: 1 17 306826621 5216052557