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54540404546 = 2131577360779
BaseRepresentation
bin110010110010110111…
…001000011101000010
312012210000101121202012
4302302313020131002
51343144320421141
641015554052522
73640363534535
oct626267103502
9165700347665
1054540404546
1121148700201
12a6a157a142
1351b2622234
1428d5756a1c
1516432b4ceb
hexcb2dc8742

54540404546 has 16 divisors (see below), whose sum is σ = 82578212640. Its totient is φ = 27015056640.

The previous prime is 54540404539. The next prime is 54540404557. The reversal of 54540404546 is 64540404545.

It is a super-2 number, since 2×545404045462 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29216 + ... + 331563.

It is an arithmetic number, because the mean of its divisors is an integer number (5161138290).

Almost surely, 254540404546 is an apocalyptic number.

54540404546 is a deficient number, since it is larger than the sum of its proper divisors (28037808094).

54540404546 is a wasteful number, since it uses less digits than its factorization.

54540404546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361489.

The product of its (nonzero) digits is 768000, while the sum is 41.

Subtracting 54540404546 from its reverse (64540404545), we obtain a palindrome (9999999999).

The spelling of 54540404546 in words is "fifty-four billion, five hundred forty million, four hundred four thousand, five hundred forty-six".

Divisors: 1 2 131 262 577 1154 75587 151174 360779 721558 47262049 94524098 208169483 416338966 27270202273 54540404546