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54120413552 = 2431691157907
BaseRepresentation
bin110010011001110100…
…111111100101110000
312011200202002212102012
4302121310333211300
51341314311213202
640510152142052
73624103632152
oct623164774560
9164622085365
1054120413552
1120a52620807
12a5a4997928
13514660165a
142895a6aad2
15161b4a3152
hexc99d3f970

54120413552 has 40 divisors (see below), whose sum is σ = 108398157312. Its totient is φ = 26149233600.

The previous prime is 54120413483. The next prime is 54120413573. The reversal of 54120413552 is 25531402145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263783 + ... + 421689.

Almost surely, 254120413552 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 54120413552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54199078656).

54120413552 is an abundant number, since it is smaller than the sum of its proper divisors (54277743760).

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

54120413552 is a wasteful number, since it uses less digits than its factorization.

54120413552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158637 (or 158631 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 54120413552 its reverse (25531402145), we get a palindrome (79651815697).

The spelling of 54120413552 in words is "fifty-four billion, one hundred twenty million, four hundred thirteen thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 31 62 124 248 496 691 1382 2764 5528 11056 21421 42842 85684 157907 171368 315814 342736 631628 1263256 2526512 4895117 9790234 19580468 39160936 78321872 109113737 218227474 436454948 872909896 1745819792 3382525847 6765051694 13530103388 27060206776 54120413552