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54144033520 = 245676800419
BaseRepresentation
bin110010011011001111…
…000110001011110000
312011202101112212220211
4302123033012023300
51341341333033040
640512354313504
73624511456063
oct623317061360
9164671485824
1054144033520
1120a64993845
12a5b0888894
13514b481675
142898c588da
15161d5bb8ea
hexc9b3c62f0

54144033520 has 20 divisors (see below), whose sum is σ = 125884878120. Its totient is φ = 21657613376.

The previous prime is 54144033481. The next prime is 54144033521. The reversal of 54144033520 is 2533044145.

54144033520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54144033521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338400130 + ... + 338400289.

It is an arithmetic number, because the mean of its divisors is an integer number (6294243906).

Almost surely, 254144033520 is an apocalyptic number.

It is an amenable number.

54144033520 is an abundant number, since it is smaller than the sum of its proper divisors (71740844600).

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

54144033520 is a wasteful number, since it uses less digits than its factorization.

54144033520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676800432 (or 676800426 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 54144033520 its reverse (2533044145), we get a palindrome (56677077665).

The spelling of 54144033520 in words is "fifty-four billion, one hundred forty-four million, thirty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 676800419 1353600838 2707201676 3384002095 5414403352 6768004190 10828806704 13536008380 27072016760 54144033520