Base | Representation |
---|---|
bin | 11010001100101101… |
… | …110010100110100011 |
3 | 2200121110201110000222 |
4 | 122030231302212203 |
5 | 430102414232023 |
6 | 20531212433255 |
7 | 2014050206603 |
oct | 321455624643 |
9 | 80543643028 |
10 | 28130617763 |
11 | 10a26000536 |
12 | 5550a7882b |
13 | 2863cc1771 |
14 | 150c070c03 |
15 | ae9967cc8 |
hex | 68cb729a3 |
28130617763 has 2 divisors, whose sum is σ = 28130617764. Its totient is φ = 28130617762.
The previous prime is 28130617727. The next prime is 28130617777. The reversal of 28130617763 is 36771603182.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28130617763 - 26 = 28130617699 is a prime.
It is a super-2 number, since 2×281306177632 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (28130617783) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14065308881 + 14065308882.
It is an arithmetic number, because the mean of its divisors is an integer number (14065308882).
Almost surely, 228130617763 is an apocalyptic number.
28130617763 is a deficient number, since it is larger than the sum of its proper divisors (1).
28130617763 is an equidigital number, since it uses as much as digits as its factorization.
28130617763 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 254016, while the sum is 44.
The spelling of 28130617763 in words is "twenty-eight billion, one hundred thirty million, six hundred seventeen thousand, seven hundred sixty-three".
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