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52053452221 = 643695911633
BaseRepresentation
bin110000011110101000…
…001010010110111101
311222100200202100111211
4300132220022112331
51323101140432341
635525114044421
73521635020631
oct603650122675
9158320670454
1052053452221
11200918a9101
12a108719711
134ba7310904
14273b340dc1
151549cb5181
hexc1ea0a5bd

52053452221 has 8 divisors (see below), whose sum is σ = 52146380160. Its totient is φ = 51960562752.

The previous prime is 52053452219. The next prime is 52053452237. The reversal of 52053452221 is 12225435025.

52053452221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52053452221 - 21 = 52053452219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52053452291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4468821 + ... + 4480453.

It is an arithmetic number, because the mean of its divisors is an integer number (6518297520).

Almost surely, 252053452221 is an apocalyptic number.

It is an amenable number.

52053452221 is a deficient number, since it is larger than the sum of its proper divisors (92927939).

52053452221 is a wasteful number, since it uses less digits than its factorization.

52053452221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19235.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 52053452221 its reverse (12225435025), we get a palindrome (64278887246).

The spelling of 52053452221 in words is "fifty-two billion, fifty-three million, four hundred fifty-two thousand, two hundred twenty-one".

Divisors: 1 643 6959 11633 4474637 7480019 80954047 52053452221