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53045436209472 = 263475215694931
BaseRepresentation
bin11000000111110100110100…
…11000011101100101000000
320221211002112122200010120000
430003322122120131211000
523423044023132200342
6304452423104320000
714113256234165220
oct1403723230354500
9227732478603500
1053045436209472
11159a1496937503
125b48689313000
13237a217642a15
14d155aca7c080
1561ec7825944c
hex303e9a61d940

53045436209472 has 560 divisors, whose sum is σ = 180404557534080. Its totient is φ = 15097101926400.

The previous prime is 53045436209417. The next prime is 53045436209473. The reversal of 53045436209472 is 27490263454035.

53045436209472 is a `hidden beast` number, since 5 + 3 + 0 + 4 + 5 + 4 + 3 + 620 + 9 + 4 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53045436209473) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10757538847 + ... + 10757543777.

Almost surely, 253045436209472 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 53045436209472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90202278767040).

53045436209472 is an abundant number, since it is smaller than the sum of its proper divisors (127359121324608).

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

53045436209472 is a wasteful number, since it uses less digits than its factorization.

53045436209472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052 (or 6033 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 54.

The spelling of 53045436209472 in words is "fifty-three trillion, forty-five billion, four hundred thirty-six million, two hundred nine thousand, four hundred seventy-two".