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52351531008 = 2113721753193
BaseRepresentation
bin110000110000011001…
…001111100000000000
312000010110122022201220
4300300121033200000
51324203442443013
640014442555040
73532214446200
oct606031174000
9160113568656
1052351531008
1120225090107
12a190508a80
134c23cb80aa
142768b74400
151566044b23
hexc3064f800

52351531008 has 576 divisors, whose sum is σ = 176058398880. Its totient is φ = 13740539904.

The previous prime is 52351531007. The next prime is 52351531019. The reversal of 52351531008 is 80013515325.

It is a self number, because there is not a number n which added to its sum of digits gives 52351531008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52351531007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271251360 + ... + 271251552.

Almost surely, 252351531008 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 52351531008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88029199440).

52351531008 is an abundant number, since it is smaller than the sum of its proper divisors (123706867872).

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

52351531008 is a wasteful number, since it uses less digits than its factorization.

52351531008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 52351531008 in words is "fifty-two billion, three hundred fifty-one million, five hundred thirty-one thousand, eight".