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57985889593 = 132929436217
BaseRepresentation
bin110110000000001110…
…100111010100111001
312112200010200101200111
4312000032213110321
51422223341431333
642345514504321
74121641633462
oct660016472471
9175603611614
1057985889593
1122656583105
12b2a34350a1
1356113b2398
142b411a3d69
151795a044cd
hexd803a7539

57985889593 has 4 divisors (see below), whose sum is σ = 57986458740. Its totient is φ = 57985320448.

The previous prime is 57985889581. The next prime is 57985889597. The reversal of 57985889593 is 39598858975.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51887372944 + 6098516649 = 227788^2 + 78093^2 .

It is a cyclic number.

It is not a de Polignac number, because 57985889593 - 221 = 57983792441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57985889597) 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 3 ways as a sum of consecutive naturals, for example, 85180 + ... + 351037.

It is an arithmetic number, because the mean of its divisors is an integer number (14496614685).

Almost surely, 257985889593 is an apocalyptic number.

It is an amenable number.

57985889593 is a deficient number, since it is larger than the sum of its proper divisors (569147).

57985889593 is a wasteful number, since it uses less digits than its factorization.

57985889593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569146.

The product of its digits is 979776000, while the sum is 76.

The spelling of 57985889593 in words is "fifty-seven billion, nine hundred eighty-five million, eight hundred eighty-nine thousand, five hundred ninety-three".

Divisors: 1 132929 436217 57985889593