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5123725520 = 24564046569
BaseRepresentation
bin1001100010110010…
…11101100011010000
3111020002012020001212
410301121131203100
540443133204040
62204231115252
7240653643164
oct46131354320
914202166055
105123725520
11219a233901
12babb12b28
1363868b464
143686aaca4
151eec45d65
hex13165d8d0

5123725520 has 20 divisors (see below), whose sum is σ = 11912662020. Its totient is φ = 2049490176.

The previous prime is 5123725517. The next prime is 5123725543. The reversal of 5123725520 is 255273215.

It can be written as a sum of positive squares in 2 ways, for example, as 1632806464 + 3490919056 = 40408^2 + 59084^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32023205 + ... + 32023364.

It is an arithmetic number, because the mean of its divisors is an integer number (595633101).

Almost surely, 25123725520 is an apocalyptic number.

It is an amenable number.

5123725520 is an abundant number, since it is smaller than the sum of its proper divisors (6788936500).

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

5123725520 is a wasteful number, since it uses less digits than its factorization.

5123725520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64046582 (or 64046576 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5123725520 is about 71580.2034084844. The cubic root of 5123725520 is about 1723.9656917931.

Adding to 5123725520 its reverse (255273215), we get a palindrome (5378998735).

The spelling of 5123725520 in words is "five billion, one hundred twenty-three million, seven hundred twenty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 64046569 128093138 256186276 320232845 512372552 640465690 1024745104 1280931380 2561862760 5123725520