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57189954259217 = 1315728020555737
BaseRepresentation
bin11010000000011100100101…
…11010001000100100010001
321111111022021020120102100002
431000032102322020210101
524444000011242243332
6321344411405535345
715021560244305333
oct1500162272104421
9244438236512302
1057189954259217
111724a13a27091a
1264b7967b74555
1325bacb3056750
14101a019693453
156929968dc562
hex340392e88911

57189954259217 has 8 divisors (see below), whose sum is σ = 61981469292456. Its totient is φ = 52454480337792.

The previous prime is 57189954259211. The next prime is 57189954259219. The reversal of 57189954259217 is 71295245998175.

It is a Cunningham number, because it is equal to 75624042+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8460047035456 + 48729907223761 = 2908616^2 + 6980681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57189954259217 - 236 = 57121234782481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57189954259211) 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 7 ways as a sum of consecutive naturals, for example, 14010275828 + ... + 14010279909.

It is an arithmetic number, because the mean of its divisors is an integer number (7747683661557).

Almost surely, 257189954259217 is an apocalyptic number.

It is an amenable number.

57189954259217 is a deficient number, since it is larger than the sum of its proper divisors (4791515033239).

57189954259217 is a wasteful number, since it uses less digits than its factorization.

57189954259217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28020555907.

The product of its digits is 571536000, while the sum is 74.

The spelling of 57189954259217 in words is "fifty-seven trillion, one hundred eighty-nine billion, nine hundred fifty-four million, two hundred fifty-nine thousand, two hundred seventeen".

Divisors: 1 13 157 2041 28020555737 364267224581 4399227250709 57189954259217