Base | Representation |
---|---|
bin | 11010010111111000… |
… | …001001011010101101 |
3 | 2201002112002110022112 |
4 | 122113320021122231 |
5 | 430443334211104 |
6 | 21001542253405 |
7 | 2021513011553 |
oct | 322770113255 |
9 | 81075073275 |
10 | 28317882029 |
11 | 11011784998 |
12 | 55a3727265 |
13 | 2893a39c18 |
14 | 1528c99bd3 |
15 | b0b10886e |
hex | 697e096ad |
28317882029 has 2 divisors, whose sum is σ = 28317882030. Its totient is φ = 28317882028.
The previous prime is 28317882001. The next prime is 28317882041. The reversal of 28317882029 is 92028871382.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 15128508004 + 13189374025 = 122998^2 + 114845^2 .
It is a cyclic number.
It is not a de Polignac number, because 28317882029 - 216 = 28317816493 is a prime.
It is a super-2 number, since 2×283178820292 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28317882529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14158941014 + 14158941015.
It is an arithmetic number, because the mean of its divisors is an integer number (14158941015).
Almost surely, 228317882029 is an apocalyptic number.
It is an amenable number.
28317882029 is a deficient number, since it is larger than the sum of its proper divisors (1).
28317882029 is an equidigital number, since it uses as much as digits as its factorization.
28317882029 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 28317882029 in words is "twenty-eight billion, three hundred seventeen million, eight hundred eighty-two thousand, twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •