Base | Representation |
---|---|
bin | 11010100110110100… |
… | …000101100110100111 |
3 | 2201201222121221201100 |
4 | 122212310011212213 |
5 | 432002012213241 |
6 | 21042453331143 |
7 | 2030645016462 |
oct | 324664054647 |
9 | 81658557640 |
10 | 28568476071 |
11 | 11130183a03 |
12 | 5653636ab3 |
13 | 2903929b15 |
14 | 155028c2d9 |
15 | b231089b6 |
hex | 6a6d059a7 |
28568476071 has 12 divisors (see below), whose sum is σ = 41269611240. Its totient is φ = 19043788560.
The previous prime is 28568476067. The next prime is 28568476091. The reversal of 28568476071 is 17067486582.
28568476071 is a `hidden beast` number, since 2 + 8 + 568 + 4 + 7 + 6 + 0 + 71 = 666.
It is not a de Polignac number, because 28568476071 - 22 = 28568476067 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28568475999 and 28568476017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28568476061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54585 + ... + 245186.
It is an arithmetic number, because the mean of its divisors is an integer number (3439134270).
Almost surely, 228568476071 is an apocalyptic number.
28568476071 is a deficient number, since it is larger than the sum of its proper divisors (12701135169).
28568476071 is a wasteful number, since it uses less digits than its factorization.
28568476071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310366 (or 310363 counting only the distinct ones).
The product of its (nonzero) digits is 4515840, while the sum is 54.
The spelling of 28568476071 in words is "twenty-eight billion, five hundred sixty-eight million, four hundred seventy-six thousand, seventy-one".
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