Base | Representation |
---|---|
bin | 11010110011111010… |
… | …101101011111100010 |
3 | 2202022022021222120202 |
4 | 122303322231133202 |
5 | 432424302104010 |
6 | 21120345305202 |
7 | 2036254435550 |
oct | 326372553742 |
9 | 82268258522 |
10 | 28788316130 |
11 | 11233288002 |
12 | 56b5195202 |
13 | 293a33c7b2 |
14 | 1571556bd0 |
15 | b375816a5 |
hex | 6b3ead7e2 |
28788316130 has 16 divisors (see below), whose sum is σ = 59221679040. Its totient is φ = 9870279792.
The previous prime is 28788316121. The next prime is 28788316201. The reversal of 28788316130 is 3161388782.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205630760 + ... + 205630899.
It is an arithmetic number, because the mean of its divisors is an integer number (3701354940).
Almost surely, 228788316130 is an apocalyptic number.
28788316130 is an abundant number, since it is smaller than the sum of its proper divisors (30433362910).
28788316130 is a wasteful number, since it uses less digits than its factorization.
28788316130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411261673.
The product of its (nonzero) digits is 387072, while the sum is 47.
The spelling of 28788316130 in words is "twenty-eight billion, seven hundred eighty-eight million, three hundred sixteen thousand, one hundred thirty".
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