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52805025555250 = 253262180587601
BaseRepresentation
bin11000000000110101000001…
…10010100110001100110010
320220222010000000121111212111
430000122200302212030302
523410124143020232000
6304150143245515534
714060015521302613
oct1400324062461462
9226863000544774
1052805025555250
1115909538335711
125b09b74272baa
13236065316c437
14d07ac3a53c0a
156188a7232cba
hex3006a0ca6332

52805025555250 has 32 divisors (see below), whose sum is σ = 98888724063792. Its totient is φ = 21113951200000.

The previous prime is 52805025555179. The next prime is 52805025555253. The reversal of 52805025555250 is 5255552050825.

It can be written as a sum of positive squares in 8 ways, for example, as 10076199535809 + 42728826019441 = 3174303^2 + 6536729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52805025555194 and 52805025555203.

It is not an unprimeable number, because it can be changed into a prime (52805025555253) 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 15 ways as a sum of consecutive naturals, for example, 39638551 + ... + 40949050.

Almost surely, 252805025555250 is an apocalyptic number.

52805025555250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52805025555250 is a deficient number, since it is larger than the sum of its proper divisors (46083698508542).

52805025555250 is a wasteful number, since it uses less digits than its factorization.

52805025555250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80590239 (or 80590229 counting only the distinct ones).

The product of its (nonzero) digits is 5000000, while the sum is 49.

The spelling of 52805025555250 in words is "fifty-two trillion, eight hundred five billion, twenty-five million, five hundred fifty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 2621 5242 13105 26210 65525 131050 327625 655250 80587601 161175202 402938005 805876010 2014690025 4029380050 10073450125 20146900250 211220102221 422440204442 1056100511105 2112201022210 5280502555525 10561005111050 26402512777625 52805025555250