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54259351840806 = 2371291889329543
BaseRepresentation
bin11000101011001001111010…
…11001000110100000100110
321010010010212112002120001120
430111210331121012200212
524102441123032401211
6311222222505234410
714300052214620060
oct1425447531064046
9233103775076046
1054259351840806
111631a297637362
1261039ab192a06
132437833c098b8
14d5824939a730
1564162495ed06
hex31593d646826

54259351840806 has 16 divisors (see below), whose sum is σ = 124021375636224. Its totient is φ = 15502671954504.

The previous prime is 54259351840763. The next prime is 54259351840831. The reversal of 54259351840806 is 60804815395245.

It is a self number, because there is not a number n which added to its sum of digits gives 54259351840806.

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, 645944664730 + ... + 645944664813.

It is an arithmetic number, because the mean of its divisors is an integer number (7751335977264).

Almost surely, 254259351840806 is an apocalyptic number.

54259351840806 is an abundant number, since it is smaller than the sum of its proper divisors (69762023795418).

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

54259351840806 is a wasteful number, since it uses less digits than its factorization.

54259351840806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291889329555.

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 54259351840806 in words is "fifty-four trillion, two hundred fifty-nine billion, three hundred fifty-one million, eight hundred forty thousand, eight hundred six".

Divisors: 1 2 3 6 7 14 21 42 1291889329543 2583778659086 3875667988629 7751335977258 9043225306801 18086450613602 27129675920403 54259351840806