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4912163081 = 71936933557
BaseRepresentation
bin1001001001100100…
…11010100100001001
3110200100002201221222
410210302122210021
540030003204311
62131232411425
7232504461110
oct44462324411
913610081858
104912163081
1120a0873911
12b510a6b75
136038b6397
14348558c77
151db3a5adb
hex124c9a909

4912163081 has 8 divisors (see below), whose sum is σ = 5909369280. Its totient is φ = 3988824048.

The previous prime is 4912163077. The next prime is 4912163099. The reversal of 4912163081 is 1803612194.

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 4912163081 - 22 = 4912163077 is a prime.

It is a super-2 number, since 2×49121630812 = 48258692268678825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4912163281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18466646 + ... + 18466911.

It is an arithmetic number, because the mean of its divisors is an integer number (738671160).

Almost surely, 24912163081 is an apocalyptic number.

It is an amenable number.

4912163081 is a deficient number, since it is larger than the sum of its proper divisors (997206199).

4912163081 is a wasteful number, since it uses less digits than its factorization.

4912163081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36933583.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4912163081 is about 70086.8253026202. The cubic root of 4912163081 is about 1699.9034640684.

The spelling of 4912163081 in words is "four billion, nine hundred twelve million, one hundred sixty-three thousand, eighty-one".

Divisors: 1 7 19 133 36933557 258534899 701737583 4912163081