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52750002505 = 525889407509
BaseRepresentation
bin110001001000001001…
…010010100101001001
312001011020102202212111
4301020021102211021
51331013000040010
640122155342321
73545123423524
oct611011224511
9161136382774
1052750002505
112040a0016a2
12a281a519a1
134c88712a45
1427a5a5bbbb
15158b00558a
hexc48252949

52750002505 has 8 divisors (see below), whose sum is σ = 63302603400. Its totient is φ = 42198268416.

The previous prime is 52750002497. The next prime is 52750002611. The reversal of 52750002505 is 50520005725.

It can be written as a sum of positive squares in 4 ways, for example, as 29209544464 + 23540458041 = 170908^2 + 153429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52750002505 - 23 = 52750002497 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 74310 + ... + 333199.

It is an arithmetic number, because the mean of its divisors is an integer number (7912825425).

Almost surely, 252750002505 is an apocalyptic number.

It is an amenable number.

52750002505 is a deficient number, since it is larger than the sum of its proper divisors (10552600895).

52750002505 is a wasteful number, since it uses less digits than its factorization.

52750002505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433403.

The product of its (nonzero) digits is 17500, while the sum is 31.

The spelling of 52750002505 in words is "fifty-two billion, seven hundred fifty million, two thousand, five hundred five".

Divisors: 1 5 25889 129445 407509 2037545 10550000501 52750002505