Base | Representation |
---|---|
bin | 1001110101100011… |
… | …01101110101110111 |
3 | 111122001021120222110 |
4 | 10322301231311313 |
5 | 41303424004042 |
6 | 2232011502103 |
7 | 244604266515 |
oct | 47261556567 |
9 | 14561246873 |
10 | 5281078647 |
11 | 2270038609 |
12 | 1034757933 |
13 | 662163210 |
14 | 38154b4b5 |
15 | 20d97909c |
hex | 13ac6dd77 |
5281078647 has 16 divisors (see below), whose sum is σ = 7588290528. Its totient is φ = 3247664640.
The previous prime is 5281078643. The next prime is 5281078657. The reversal of 5281078647 is 7468701825.
It is not a de Polignac number, because 5281078647 - 22 = 5281078643 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 5281078596 and 5281078605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5281078643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12043 + ... + 103475.
It is an arithmetic number, because the mean of its divisors is an integer number (474268158).
Almost surely, 25281078647 is an apocalyptic number.
5281078647 is a deficient number, since it is larger than the sum of its proper divisors (2307211881).
5281078647 is a wasteful number, since it uses less digits than its factorization.
5281078647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92930.
The product of its (nonzero) digits is 752640, while the sum is 48.
The square root of 5281078647 is about 72671.0303146997. The cubic root of 5281078647 is about 1741.4361076192.
The spelling of 5281078647 in words is "five billion, two hundred eighty-one million, seventy-eight thousand, six hundred forty-seven".
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