Base | Representation |
---|---|
bin | 11010101001000110… |
… | …101000100111110010 |
3 | 2201211122220201012011 |
4 | 122221012220213302 |
5 | 432041331030110 |
6 | 21050344553134 |
7 | 2031622401016 |
oct | 325106504762 |
9 | 81748821164 |
10 | 28606892530 |
11 | 1114a932847 |
12 | 56644827aa |
13 | 290b88a958 |
14 | 155540c546 |
15 | b2669648a |
hex | 6a91a89f2 |
28606892530 has 48 divisors (see below), whose sum is σ = 53626724424. Its totient is φ = 10986554880.
The previous prime is 28606892521. The next prime is 28606892539. The reversal of 28606892530 is 3529860682.
It is an interprime number because it is at equal distance from previous prime (28606892521) and next prime (28606892539).
It can be written as a sum of positive squares in 12 ways, for example, as 447703281 + 28159189249 = 21159^2 + 167807^2 .
It is not an unprimeable number, because it can be changed into a prime (28606892539) 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, 1512814 + ... + 1531606.
Almost surely, 228606892530 is an apocalyptic number.
28606892530 is a deficient number, since it is larger than the sum of its proper divisors (25019831894).
28606892530 is a wasteful number, since it uses less digits than its factorization.
28606892530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19039 (or 19010 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 49.
The spelling of 28606892530 in words is "twenty-eight billion, six hundred six million, eight hundred ninety-two thousand, five hundred thirty".
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