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5122523540 = 225256126177
BaseRepresentation
bin1001100010101001…
…11000000110010100
3111012222221011021002
410301110320012110
540442331223130
62204145242432
7240640505651
oct46124700624
914188834232
105122523540
112199592832
12bab633418
1363835a324
14368476c28
151eeaa9b45
hex131538194

5122523540 has 12 divisors (see below), whose sum is σ = 10757299476. Its totient is φ = 2049009408.

The previous prime is 5122523531. The next prime is 5122523569. The reversal of 5122523540 is 453252215.

It can be written as a sum of positive squares in 2 ways, for example, as 1452829456 + 3669694084 = 38116^2 + 60578^2 .

It is a congruent number.

It is an unprimeable number.

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, 128063069 + ... + 128063108.

It is an arithmetic number, because the mean of its divisors is an integer number (896441623).

Almost surely, 25122523540 is an apocalyptic number.

It is an amenable number.

5122523540 is an abundant number, since it is smaller than the sum of its proper divisors (5634775936).

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

5122523540 is a wasteful number, since it uses less digits than its factorization.

5122523540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256126186 (or 256126184 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5122523540 is about 71571.8068795248. The cubic root of 5122523540 is about 1723.8308722929.

Adding to 5122523540 its reverse (453252215), we get a palindrome (5575775755).

The spelling of 5122523540 in words is "five billion, one hundred twenty-two million, five hundred twenty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 256126177 512252354 1024504708 1280630885 2561261770 5122523540