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5220808345 = 518155710357
BaseRepresentation
bin1001101110010111…
…10011011010011001
3111110211212112200001
410313023303122121
541143011331340
62222020013001
7243243065404
oct46713633231
914424775601
105220808345
11223a012645
121018531161
1365282020c
1437753cd3b
1520852129a
hex1372f3699

5220808345 has 16 divisors (see below), whose sum is σ = 6311502288. Its totient is φ = 4145713920.

The previous prime is 5220808339. The next prime is 5220808357. The reversal of 5220808345 is 5438080225.

5220808345 = T369 + T370 + ... + T3153.

It can be written as a sum of positive squares in 8 ways, for example, as 1932129936 + 3288678409 = 43956^2 + 57347^2 .

It is not a de Polignac number, because 5220808345 - 215 = 5220775577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 498907 + ... + 509263.

It is an arithmetic number, because the mean of its divisors is an integer number (394468893).

Almost surely, 25220808345 is an apocalyptic number.

It is an amenable number.

5220808345 is a deficient number, since it is larger than the sum of its proper divisors (1090693943).

5220808345 is a wasteful number, since it uses less digits than its factorization.

5220808345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 5220808345 is about 72255.1613727352. The cubic root of 5220808345 is about 1734.7860327954.

The spelling of 5220808345 in words is "five billion, two hundred twenty million, eight hundred eight thousand, three hundred forty-five".

Divisors: 1 5 181 557 905 2785 10357 51785 100817 504085 1874617 5768849 9373085 28844245 1044161669 5220808345