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53608247238 = 23731331109593
BaseRepresentation
bin110001111011010011…
…001110111111000110
312010101001101010022110
4301323103032333012
51334242202402423
640343254441450
73605314404000
oct617323167706
9163331333273
1053608247238
112080a504667
12a481363286
135094479970
142847a29370
1515db535193
hexc7b4cefc6

53608247238 has 256 divisors, whose sum is σ = 140507136000. Its totient is φ = 13533972480.

The previous prime is 53608247237. The next prime is 53608247261. The reversal of 53608247238 is 83274280635.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53608247237) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 90401470 + ... + 90402062.

It is an arithmetic number, because the mean of its divisors is an integer number (548856000).

Almost surely, 253608247238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53608247238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70253568000).

53608247238 is an abundant number, since it is smaller than the sum of its proper divisors (86898888762).

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

53608247238 is a wasteful number, since it uses less digits than its factorization.

53608247238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 53608247238 in words is "fifty-three billion, six hundred eight million, two hundred forty-seven thousand, two hundred thirty-eight".