Base | Representation |
---|---|
bin | 11110000100111000… |
… | …11010100100111001 |
3 | 1112200022200020011002 |
4 | 33002130122210321 |
5 | 231032131140211 |
6 | 11230133014345 |
7 | 1111066226513 |
oct | 170234324471 |
9 | 45608606132 |
10 | 16147130681 |
11 | 69366a8300 |
12 | 31677843b5 |
13 | 16a43bc0c6 |
14 | ad2710bb3 |
15 | 6478aa03b |
hex | 3c271a939 |
16147130681 has 24 divisors (see below), whose sum is σ = 18341666112. Its totient is φ = 14195412000.
The previous prime is 16147130653. The next prime is 16147130693. The reversal of 16147130681 is 18603174161.
16147130681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-16147130681 is a prime.
It is a super-2 number, since 2×161471306812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (16147135681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 510140 + ... + 540866.
It is an arithmetic number, because the mean of its divisors is an integer number (764236088).
Almost surely, 216147130681 is an apocalyptic number.
16147130681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
16147130681 is a deficient number, since it is larger than the sum of its proper divisors (2194535431).
16147130681 is a wasteful number, since it uses less digits than its factorization.
16147130681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30893 (or 30882 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 38.
The spelling of 16147130681 in words is "sixteen billion, one hundred forty-seven million, one hundred thirty thousand, six hundred eighty-one".
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