Base | Representation |
---|---|
bin | 11010001010111101… |
… | …110001011101100011 |
3 | 2200112102110120002210 |
4 | 122022331301131203 |
5 | 430022410043323 |
6 | 20524243213203 |
7 | 2013242465130 |
oct | 321275613543 |
9 | 80472416083 |
10 | 28101252963 |
11 | 10a10474303 |
12 | 5543077203 |
13 | 285abac944 |
14 | 15081c9587 |
15 | ae70b7293 |
hex | 68af71763 |
28101252963 has 32 divisors (see below), whose sum is σ = 43133504512. Its totient is φ = 15940800000.
The previous prime is 28101252941. The next prime is 28101253001. The reversal of 28101252963 is 36925210182.
It is not a de Polignac number, because 28101252963 - 25 = 28101252931 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28101232963) 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, 9362463 + ... + 9365463.
It is an arithmetic number, because the mean of its divisors is an integer number (1347922016).
Almost surely, 228101252963 is an apocalyptic number.
28101252963 is a deficient number, since it is larger than the sum of its proper divisors (15032251549).
28101252963 is a wasteful number, since it uses less digits than its factorization.
28101252963 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6115.
The product of its (nonzero) digits is 51840, while the sum is 39.
The spelling of 28101252963 in words is "twenty-eight billion, one hundred one million, two hundred fifty-two thousand, nine hundred sixty-three".
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