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17131005005 = 53426201001
BaseRepresentation
bin11111111010001011…
…00110010001001101
31122012220000012222212
433331011212101031
5240041014130010
611511520520205
71144344066002
oct177505462115
948186005885
1017131005005
1172a1007684
1233a1180065
1318001a146a
14b872618a9
156a3e53505
hex3fd16644d

17131005005 has 4 divisors (see below), whose sum is σ = 20557206012. Its totient is φ = 13704804000.

The previous prime is 17131004993. The next prime is 17131005037. The reversal of 17131005005 is 50050013171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50050013171 = 373971338343.

It can be written as a sum of positive squares in 2 ways, for example, as 3264293956 + 13866711049 = 57134^2 + 117757^2 .

It is a de Polignac number, because none of the positive numbers 2k-17131005005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713100496 + ... + 1713100505.

It is an arithmetic number, because the mean of its divisors is an integer number (5139301503).

Almost surely, 217131005005 is an apocalyptic number.

It is an amenable number.

17131005005 is a deficient number, since it is larger than the sum of its proper divisors (3426201007).

17131005005 is an equidigital number, since it uses as much as digits as its factorization.

17131005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426201006.

The product of its (nonzero) digits is 525, while the sum is 23.

Adding to 17131005005 its reverse (50050013171), we get a palindrome (67181018176).

It can be divided in two parts, 1713100500 and 5, that multiplied together give a square (8565502500 = 925502).

The spelling of 17131005005 in words is "seventeen billion, one hundred thirty-one million, five thousand, five".

Divisors: 1 5 3426201001 17131005005