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54183387884472 = 233271171495127803
BaseRepresentation
bin11000101000111100011011…
…00101100110101110111000
321002211212210110111202010100
430110132031211212232320
524100220034244300342
6311123301010115400
714261422601631450
oct1424361545465670
9232755713452110
1054183387884472
11162a00559a2660
1260b112ab7bb60
132430619006302
14d546c0678d60
1563e67a985e4c
hex31478d966bb8

54183387884472 has 384 divisors, whose sum is σ = 185577900318720. Its totient is φ = 13872085920000.

The previous prime is 54183387884447. The next prime is 54183387884477. The reversal of 54183387884472 is 27448878338145.

54183387884472 is a `hidden beast` number, since 5 + 4 + 1 + 8 + 3 + 3 + 8 + 78 + 84 + 472 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 54183387884472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54183387884477) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1948818523 + ... + 1948846325.

It is an arithmetic number, because the mean of its divisors is an integer number (483275782080).

Almost surely, 254183387884472 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 54183387884472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92788950159360).

54183387884472 is an abundant number, since it is smaller than the sum of its proper divisors (131394512434248).

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

54183387884472 is a wasteful number, since it uses less digits than its factorization.

54183387884472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32855 (or 32848 counting only the distinct ones).

The product of its digits is 1156055040, while the sum is 72.

The spelling of 54183387884472 in words is "fifty-four trillion, one hundred eighty-three billion, three hundred eighty-seven million, eight hundred eighty-four thousand, four hundred seventy-two".