Base | Representation |
---|---|
bin | 11110010100110110… |
… | …00000101100111001 |
3 | 1120000122112111021200 |
4 | 33022123000230321 |
5 | 231320412332111 |
6 | 11251313524413 |
7 | 1114313022546 |
oct | 171233005471 |
9 | 46018474250 |
10 | 16280980281 |
11 | 69a5209505 |
12 | 31a4573709 |
13 | 16c6054b57 |
14 | b063d3bcd |
15 | 6544e9256 |
hex | 3ca6c0b39 |
16280980281 has 12 divisors (see below), whose sum is σ = 24754707120. Its totient is φ = 10282724280.
The previous prime is 16280980253. The next prime is 16280980297. The reversal of 16280980281 is 18208908261.
It is a happy number.
16280980281 is a `hidden beast` number, since 1 + 6 + 280 + 98 + 0 + 281 = 666.
16280980281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 16280980281 - 233 = 7691045689 is a prime.
It is a super-2 number, since 2×162809802812 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (16280980201) 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 11 ways as a sum of consecutive naturals, for example, 47605035 + ... + 47605376.
It is an arithmetic number, because the mean of its divisors is an integer number (2062892260).
Almost surely, 216280980281 is an apocalyptic number.
It is an amenable number.
16280980281 is a deficient number, since it is larger than the sum of its proper divisors (8473726839).
16280980281 is a wasteful number, since it uses less digits than its factorization.
16280980281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95210436 (or 95210433 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 45.
The spelling of 16280980281 in words is "sixteen billion, two hundred eighty million, nine hundred eighty thousand, two hundred eighty-one".
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