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16868443737757 = 191575654858779
BaseRepresentation
bin1111010101110111110110…
…0110001100111010011101
32012201121101211212200010111
43311131331212030322131
54202333033044102012
655513131151210021
73360463522003453
oct365357546147235
965647354780114
1016868443737757
115413959804397
121a85273816911
139548c234b4a1
1442461930c9d3
151e3bc0d6dba7
hexf577d98ce9d

16868443737757 has 8 divisors (see below), whose sum is σ = 17869353744800. Its totient is φ = 15878843448624.

The previous prime is 16868443737731. The next prime is 16868443737791. The reversal of 16868443737757 is 75773734486861.

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

It is a cyclic number.

It is not a de Polignac number, because 16868443737757 - 211 = 16868443735709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868423737757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2827426407 + ... + 2827432372.

It is an arithmetic number, because the mean of its divisors is an integer number (2233669218100).

Almost surely, 216868443737757 is an apocalyptic number.

It is an amenable number.

16868443737757 is a deficient number, since it is larger than the sum of its proper divisors (1000910007043).

16868443737757 is a wasteful number, since it uses less digits than its factorization.

16868443737757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5654858955.

The product of its digits is 3982970880, while the sum is 76.

The spelling of 16868443737757 in words is "sixteen trillion, eight hundred sixty-eight billion, four hundred forty-three million, seven hundred thirty-seven thousand, seven hundred fifty-seven".

Divisors: 1 19 157 2983 5654858779 107442316801 887812828303 16868443737757