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52342160640 = 28357211419
BaseRepresentation
bin110000101111110101…
…011111110100000000
312000002211000021000020
4300233311133310000
51324144043120030
640013510053440
73532042011300
oct605765376400
9160084007006
1052342160640
112021a870000
12a18934a280
134c22086cb3
142767815600
1515652e3510
hexc2fd5fd00

52342160640 has 1080 divisors, whose sum is σ = 225163360800. Its totient is φ = 10303856640.

The previous prime is 52342160579. The next prime is 52342160641. The reversal of 52342160640 is 4606124325.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52342160641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2754850551 + ... + 2754850569.

Almost surely, 252342160640 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 52342160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112581680400).

52342160640 is an abundant number, since it is smaller than the sum of its proper divisors (172821200160).

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

52342160640 is an equidigital number, since it uses as much as digits as its factorization.

52342160640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 52342160640 its reverse (4606124325), we get a palindrome (56948284965).

The spelling of 52342160640 in words is "fifty-two billion, three hundred forty-two million, one hundred sixty thousand, six hundred forty".