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16516010017 = 131774733077
BaseRepresentation
bin11110110000110111…
…00101000000100001
31120122000210020110201
433120123211000201
5232311044310032
611330511225201
71123165524463
oct173033450041
946560706421
1016516010017
117005947861
12324b218201
1317329555c0
14b296d4133
15669e728e7
hex3d86e5021

16516010017 has 8 divisors (see below), whose sum is σ = 18832735656. Its totient is φ = 14348750592.

The previous prime is 16516010011. The next prime is 16516010099. The reversal of 16516010017 is 71001061561.

It can be written as a sum of positive squares in 4 ways, for example, as 4477751056 + 12038258961 = 66916^2 + 109719^2 .

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 16516010017 - 23 = 16516010009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16516010011) 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, 37366318 + ... + 37366759.

It is an arithmetic number, because the mean of its divisors is an integer number (2354091957).

Almost surely, 216516010017 is an apocalyptic number.

16516010017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16516010017 is a deficient number, since it is larger than the sum of its proper divisors (2316725639).

16516010017 is a wasteful number, since it uses less digits than its factorization.

16516010017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74733107.

The product of its (nonzero) digits is 1260, while the sum is 28.

Adding to 16516010017 its reverse (71001061561), we get a palindrome (87517071578).

The spelling of 16516010017 in words is "sixteen billion, five hundred sixteen million, ten thousand, seventeen".

Divisors: 1 13 17 221 74733077 971530001 1270462309 16516010017