Search a number
-
+
5125020520 = 235639720029
BaseRepresentation
bin1001100010111100…
…11001101101101000
3111020011122000110211
410301132121231220
540444001124040
62204314550504
7241000645534
oct46136315550
914204560424
105125020520
11219aa38854
12bb0438434
13638a22a29
14368926bc4
151eedee8ea
hex131799b68

5125020520 has 32 divisors (see below), whose sum is σ = 11533674600. Its totient is φ = 2049585408.

The previous prime is 5125020497. The next prime is 5125020521. The reversal of 5125020520 is 250205215.

It can be written as a sum of positive squares in 4 ways, for example, as 1798268836 + 3326751684 = 42406^2 + 57678^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5125020491 and 5125020500.

It is not an unprimeable number, because it can be changed into a prime (5125020521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245866 + ... + 265894.

Almost surely, 25125020520 is an apocalyptic number.

It is an amenable number.

5125020520 is an abundant number, since it is smaller than the sum of its proper divisors (6408654080).

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

5125020520 is a wasteful number, since it uses less digits than its factorization.

5125020520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26437 (or 26433 counting only the distinct ones).

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

The square root of 5125020520 is about 71589.2486341350. The cubic root of 5125020520 is about 1724.1109212425.

Adding to 5125020520 its reverse (250205215), we get a palindrome (5375225735).

The spelling of 5125020520 in words is "five billion, one hundred twenty-five million, twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 6397 12794 20029 25588 31985 40058 51176 63970 80116 100145 127940 160232 200290 255880 400580 801160 128125513 256251026 512502052 640627565 1025004104 1281255130 2562510260 5125020520