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52905848220 = 2237510191187
BaseRepresentation
bin110001010001011011…
…110010110110011100
312001120002200120000000
4301101123302312130
51331322344120340
640145443534300
73552025201311
oct612133626634
9161502616000
1052905848220
1120489a76905
12a30608a390
134cb1aaa644
1427bc628d08
151599a3bd30
hexc516f2d9c

52905848220 has 192 divisors, whose sum is σ = 166932057600. Its totient is φ = 14082507072.

The previous prime is 52905848173. The next prime is 52905848221. The reversal of 52905848220 is 2284850925.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52905848221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44570467 + ... + 44571653.

It is an arithmetic number, because the mean of its divisors is an integer number (869437800).

Almost surely, 252905848220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52905848220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83466028800).

52905848220 is an abundant number, since it is smaller than the sum of its proper divisors (114026209380).

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

52905848220 is a wasteful number, since it uses less digits than its factorization.

52905848220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 52905848220 in words is "fifty-two billion, nine hundred five million, eight hundred forty-eight thousand, two hundred twenty".