Base | Representation |
---|---|
bin | 11010001011101111… |
… | …111101001011010011 |
3 | 2200120100012220121211 |
4 | 122023233331023103 |
5 | 430034242030042 |
6 | 20525433200551 |
7 | 2013462345340 |
oct | 321357751323 |
9 | 80510186554 |
10 | 28114408147 |
11 | 10a17939a61 |
12 | 5547560157 |
13 | 2860837687 |
14 | 1509c517c7 |
15 | ae8315017 |
hex | 68bbfd2d3 |
28114408147 has 16 divisors (see below), whose sum is σ = 32736211200. Its totient is φ = 23647869792.
The previous prime is 28114408141. The next prime is 28114408151. The reversal of 28114408147 is 74180441182.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28114408147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28114408141) 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, 75813 + ... + 248950.
It is an arithmetic number, because the mean of its divisors is an integer number (2046013200).
Almost surely, 228114408147 is an apocalyptic number.
28114408147 is a deficient number, since it is larger than the sum of its proper divisors (4621803053).
28114408147 is a wasteful number, since it uses less digits than its factorization.
28114408147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325002.
The product of its (nonzero) digits is 57344, while the sum is 40.
The spelling of 28114408147 in words is "twenty-eight billion, one hundred fourteen million, four hundred eight thousand, one hundred forty-seven".
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