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52388201844 = 223511172331237
BaseRepresentation
bin110000110010100101…
…001000010101110100
312000020000122101200000
4300302211020111310
51324242334424334
640022232551300
73533141240226
oct606245102564
9160200571600
1052388201844
1120243857490
12a1a0852530
134c2b787504
14276d99c416
15156938a299
hexc32948574

52388201844 has 288 divisors, whose sum is σ = 159437206656. Its totient is φ = 14865223680.

The previous prime is 52388201837. The next prime is 52388201869. The reversal of 52388201844 is 44810288325.

52388201844 is a `hidden beast` number, since 523 + 8 + 82 + 0 + 1 + 8 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 52388201844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42350394 + ... + 42351630.

It is an arithmetic number, because the mean of its divisors is an integer number (553601412).

Almost surely, 252388201844 is an apocalyptic number.

52388201844 is a gapful number since it is divisible by the number (54) 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 52388201844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79718603328).

52388201844 is an abundant number, since it is smaller than the sum of its proper divisors (107049004812).

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

52388201844 is a wasteful number, since it uses less digits than its factorization.

52388201844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 52388201844 in words is "fifty-two billion, three hundred eighty-eight million, two hundred one thousand, eight hundred forty-four".