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17045389147 = 55693060763
BaseRepresentation
bin11111101111111101…
…11111111101011011
31121222220220111010011
433313332333331123
5234402104423042
611455221502351
71142254263043
oct176776777533
947886814104
1017045389147
117257750176
1233785719b7
1317b8525ba7
14b79b36723
1569b690a17
hex3f7fbff5b

17045389147 has 4 divisors (see below), whose sum is σ = 17048455480. Its totient is φ = 17042322816.

The previous prime is 17045389139. The next prime is 17045389199. The reversal of 17045389147 is 74198354071.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17045389147 - 23 = 17045389139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17045389147.

It is not an unprimeable number, because it can be changed into a prime (17045389547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524813 + ... + 1535950.

It is an arithmetic number, because the mean of its divisors is an integer number (4262113870).

Almost surely, 217045389147 is an apocalyptic number.

17045389147 is a deficient number, since it is larger than the sum of its proper divisors (3066333).

17045389147 is an equidigital number, since it uses as much as digits as its factorization.

17045389147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066332.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 17045389147 in words is "seventeen billion, forty-five million, three hundred eighty-nine thousand, one hundred forty-seven".

Divisors: 1 5569 3060763 17045389147