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57681219205 = 5411072629643
BaseRepresentation
bin110101101110000100…
…011000111010000101
312111212220101112111001
4311232010120322011
51421112343003310
642255352413301
74111252162561
oct655604307205
9174786345431
1057681219205
112250a5a97a5
12b2193a7231
13559323a84c
142b129366a1
151778dc193a
hexd6e118e85

57681219205 has 16 divisors (see below), whose sum is σ = 71568391104. Its totient is φ = 44598728320.

The previous prime is 57681219203. The next prime is 57681219209. The reversal of 57681219205 is 50291218675.

It is not a de Polignac number, because 57681219205 - 21 = 57681219203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57681219203) 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 15 ways as a sum of consecutive naturals, for example, 1292887 + ... + 1336756.

It is an arithmetic number, because the mean of its divisors is an integer number (4473024444).

Almost surely, 257681219205 is an apocalyptic number.

It is an amenable number.

57681219205 is a deficient number, since it is larger than the sum of its proper divisors (13887171899).

57681219205 is a wasteful number, since it uses less digits than its factorization.

57681219205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629796.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 57681219205 in words is "fifty-seven billion, six hundred eighty-one million, two hundred nineteen thousand, two hundred five".

Divisors: 1 5 41 107 205 535 4387 21935 2629643 13148215 107815363 281371801 539076815 1406859005 11536243841 57681219205