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57408261185 = 5113158333049
BaseRepresentation
bin110101011101110011…
…001000110001000001
312111011212202211110202
4311131303020301001
51420033003324220
642212322134545
74101426111602
oct653563106101
9174155684422
1057408261185
112238a515360
12b161ab1455
13554b81a522
142ac85a1da9
15175ee55275
hexd5dcc8c41

57408261185 has 16 divisors (see below), whose sum is σ = 75157286400. Its totient is φ = 41748877440.

The previous prime is 57408261161. The next prime is 57408261191. The reversal of 57408261185 is 58116280475.

It is not a de Polignac number, because 57408261185 - 212 = 57408257089 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1720541 + ... + 1753589.

It is an arithmetic number, because the mean of its divisors is an integer number (4697330400).

Almost surely, 257408261185 is an apocalyptic number.

57408261185 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57408261185 is a deficient number, since it is larger than the sum of its proper divisors (17749025215).

57408261185 is a wasteful number, since it uses less digits than its factorization.

57408261185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64648.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 57408261185 in words is "fifty-seven billion, four hundred eight million, two hundred sixty-one thousand, one hundred eighty-five".

Divisors: 1 5 11 55 31583 33049 157915 165245 347413 363539 1737065 1817695 1043786567 5218932835 11481652237 57408261185