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54671538240 = 26325111725743
BaseRepresentation
bin110010111010101011…
…010111100001000000
312020010011010220100200
4302322223113201000
51343431403210430
641041000445200
73643545256524
oct627253274100
9166104126320
1054671538240
1121205726960
12a719479800
135203846a37
142908d2dd84
15164ea69460
hexcbaad7840

54671538240 has 168 divisors, whose sum is σ = 205142640768. Its totient is φ = 13253698560.

The previous prime is 54671538209. The next prime is 54671538247. The reversal of 54671538240 is 4283517645.

54671538240 is a `hidden beast` number, since 5 + 4 + 6 + 71 + 538 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54671538247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831192 + ... + 894551.

Almost surely, 254671538240 is an apocalyptic number.

It is an amenable number.

54671538240 is an abundant number, since it is smaller than the sum of its proper divisors (150471102528).

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

54671538240 is a wasteful number, since it uses less digits than its factorization.

54671538240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725777 (or 1725764 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 54671538240 in words is "fifty-four billion, six hundred seventy-one million, five hundred thirty-eight thousand, two hundred forty".