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53253027840 = 211357921943
BaseRepresentation
bin110001100110001000…
…001011100000000000
312002110021222002220110
4301212020023200000
51333030233342330
640244125111320
73563442160635
oct614610134000
9162407862813
1053253027840
1120647a45011
12a3a23b8540
1350389b6b7c
1428127a018c
1515ba269db0
hexc6620b800

53253027840 has 192 divisors, whose sum is σ = 172532505600. Its totient is φ = 14020411392.

The previous prime is 53253027827. The next prime is 53253027847. The reversal of 53253027840 is 4872035235.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53253027847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415909 + ... + 2437851.

It is an arithmetic number, because the mean of its divisors is an integer number (898606800).

Almost surely, 253253027840 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 53253027840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86266252800).

53253027840 is an abundant number, since it is smaller than the sum of its proper divisors (119279477760).

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

53253027840 is a wasteful number, since it uses less digits than its factorization.

53253027840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22052 (or 22032 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 53253027840 in words is "fifty-three billion, two hundred fifty-three million, twenty-seven thousand, eight hundred forty".