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57879668088805 = 517764389092931
BaseRepresentation
bin11010010100100001010010…
…00011100101111111100101
321120221020112120211012221111
431022100221003211333211
530041300030012320210
6323033315154545021
715122445063160003
oct1512205103457745
9246836476735844
1057879668088805
11174956a1797432
1265a9573898171
13263b04c43b104
141041568821a73
156a58b290a88a
hex34a4290e5fe5

57879668088805 has 16 divisors (see below), whose sum is σ = 73550848198464. Its totient is φ = 43574282947840.

The previous prime is 57879668088793. The next prime is 57879668088829. The reversal of 57879668088805 is 50888086697875.

57879668088805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57879668088805 - 229 = 57879131217893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (85).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43896811 + ... + 45196120.

It is an arithmetic number, because the mean of its divisors is an integer number (4596928012404).

Almost surely, 257879668088805 is an apocalyptic number.

It is an amenable number.

57879668088805 is a deficient number, since it is larger than the sum of its proper divisors (15671180109659).

57879668088805 is a wasteful number, since it uses less digits than its factorization.

57879668088805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89100596.

The product of its (nonzero) digits is 13005619200, while the sum is 85.

The spelling of 57879668088805 in words is "fifty-seven trillion, eight hundred seventy-nine billion, six hundred sixty-eight million, eighty-eight thousand, eight hundred five".

Divisors: 1 5 17 85 7643 38215 129931 649655 89092931 445464655 1514579827 7572899135 680937271633 3404686358165 11575933617761 57879668088805