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52342187051840 = 2657171741778919
BaseRepresentation
bin10111110011010110111010…
…11101110100101101000000
320212022212100000022102110112
423321223131131310231000
523330033244341124330
6303153400242250452
714011412122033010
oct1371533535645500
9225285300272415
1052342187051840
111575021903a674
125a54324656a28
132328b01cb53ca
14ccd538033c40
1560b818ce3795
hex2f9add774b40

52342187051840 has 224 divisors, whose sum is σ = 150835242631680. Its totient is φ = 16889068191744.

The previous prime is 52342187051839. The next prime is 52342187051849. The reversal of 52342187051840 is 4815078124325.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52342187051849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663199901 + ... + 663278819.

Almost surely, 252342187051840 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 52342187051840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75417621315840).

52342187051840 is an abundant number, since it is smaller than the sum of its proper divisors (98493055579840).

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

52342187051840 is a wasteful number, since it uses less digits than its factorization.

52342187051840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96377 (or 96367 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 52342187051840 in words is "fifty-two trillion, three hundred forty-two billion, one hundred eighty-seven million, fifty-one thousand, eight hundred forty".