Base | Representation |
---|---|
bin | 11010110001101011… |
… | …100100000111101111 |
3 | 2202012200200111222201 |
4 | 122301223210013233 |
5 | 432340200304101 |
6 | 21112525122331 |
7 | 2035320456355 |
oct | 326153440757 |
9 | 82180614881 |
10 | 28750791151 |
11 | 11214087a25 |
12 | 56a46b93a7 |
13 | 2932631674 |
14 | 156a5897d5 |
15 | b3411ce01 |
hex | 6b1ae41ef |
28750791151 has 2 divisors, whose sum is σ = 28750791152. Its totient is φ = 28750791150.
The previous prime is 28750791109. The next prime is 28750791161. The reversal of 28750791151 is 15119705782.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28750791151 - 29 = 28750790639 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28750791101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14375395575 + 14375395576.
It is an arithmetic number, because the mean of its divisors is an integer number (14375395576).
Almost surely, 228750791151 is an apocalyptic number.
28750791151 is a deficient number, since it is larger than the sum of its proper divisors (1).
28750791151 is an equidigital number, since it uses as much as digits as its factorization.
28750791151 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 176400, while the sum is 46.
The spelling of 28750791151 in words is "twenty-eight billion, seven hundred fifty million, seven hundred ninety-one thousand, one hundred fifty-one".
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