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52808419200 = 2735217323581
BaseRepresentation
bin110001001011101000…
…001000011110000000
312001022022100122111210
4301023220020132000
51331122423403300
640132043410120
73546433104555
oct611350103600
9161268318453
1052808419200
1120439a80a59
12a299523940
134c97857134
1427ad706a2c
1515911e4050
hexc4ba08780

52808419200 has 192 divisors, whose sum is σ = 184169931120. Its totient is φ = 13253836800.

The previous prime is 52808419163. The next prime is 52808419211. The reversal of 52808419200 is 291480825.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1410 + ... + 324990.

Almost surely, 252808419200 is an apocalyptic number.

52808419200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52808419200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92084965560).

52808419200 is an abundant number, since it is smaller than the sum of its proper divisors (131361511920).

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

52808419200 is a wasteful number, since it uses less digits than its factorization.

52808419200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323625 (or 323608 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 52808419200 in words is "fifty-two billion, eight hundred eight million, four hundred nineteen thousand, two hundred".