Base | Representation |
---|---|
bin | 11010010011011001… |
… | …100101010000101111 |
3 | 2200220021201220021222 |
4 | 122103121211100233 |
5 | 430320121321001 |
6 | 20550300213555 |
7 | 2016611335232 |
oct | 322331452057 |
9 | 80807656258 |
10 | 28242760751 |
11 | 10a83336197 |
12 | 558253a2bb |
13 | 28812c736a |
14 | 151cd03419 |
15 | b0471a61b |
hex | 69366542f |
28242760751 has 2 divisors, whose sum is σ = 28242760752. Its totient is φ = 28242760750.
The previous prime is 28242760649. The next prime is 28242760811. The reversal of 28242760751 is 15706724282.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28242760751 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28242760951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121380375 + 14121380376.
It is an arithmetic number, because the mean of its divisors is an integer number (14121380376).
Almost surely, 228242760751 is an apocalyptic number.
28242760751 is a deficient number, since it is larger than the sum of its proper divisors (1).
28242760751 is an equidigital number, since it uses as much as digits as its factorization.
28242760751 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 376320, while the sum is 44.
The spelling of 28242760751 in words is "twenty-eight billion, two hundred forty-two million, seven hundred sixty thousand, seven hundred fifty-one".
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