Base | Representation |
---|---|
bin | 11010010100011111… |
… | …011001010110010111 |
3 | 2200221120011200221110 |
4 | 122110133121112113 |
5 | 430334312441124 |
6 | 20552152350103 |
7 | 2020223030610 |
oct | 322437312627 |
9 | 80846150843 |
10 | 28261062039 |
11 | 10a926a6221 |
12 | 55886a5333 |
13 | 2885034522 |
14 | 1521508c07 |
15 | b06133029 |
hex | 6947d9597 |
28261062039 has 32 divisors (see below), whose sum is σ = 43797990400. Its totient is φ = 15874444800.
The previous prime is 28261062031. The next prime is 28261062059. The reversal of 28261062039 is 93026016282.
It is a happy number.
It is not a de Polignac number, because 28261062039 - 23 = 28261062031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28261061988 and 28261062006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28261062031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2339487 + ... + 2351535.
It is an arithmetic number, because the mean of its divisors is an integer number (1368687200).
Almost surely, 228261062039 is an apocalyptic number.
28261062039 is a deficient number, since it is larger than the sum of its proper divisors (15536928361).
28261062039 is a wasteful number, since it uses less digits than its factorization.
28261062039 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13951.
The product of its (nonzero) digits is 62208, while the sum is 39.
The spelling of 28261062039 in words is "twenty-eight billion, two hundred sixty-one million, sixty-two thousand, thirty-nine".
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