Base | Representation |
---|---|
bin | 111111111010000… |
… | …001000001110001 |
3 | 2202201111001002101 |
4 | 333322001001301 |
5 | 4143434020134 |
6 | 254220220401 |
7 | 35366215204 |
oct | 7772010161 |
9 | 2681431071 |
10 | 1072173169 |
11 | 500239631 |
12 | 25b09a701 |
13 | 141189bc2 |
14 | a257793b |
15 | 641dae14 |
hex | 3fe81071 |
1072173169 has 2 divisors, whose sum is σ = 1072173170. Its totient is φ = 1072173168.
The previous prime is 1072173143. The next prime is 1072173257. The reversal of 1072173169 is 9613712701.
1072173169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1009968400 + 62204769 = 31780^2 + 7887^2 .
It is a cyclic number.
It is not a de Polignac number, because 1072173169 - 215 = 1072140401 is a prime.
It is a super-2 number, since 2×10721731692 = 2299110608647005122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1072173139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536086584 + 536086585.
It is an arithmetic number, because the mean of its divisors is an integer number (536086585).
Almost surely, 21072173169 is an apocalyptic number.
It is an amenable number.
1072173169 is a deficient number, since it is larger than the sum of its proper divisors (1).
1072173169 is an equidigital number, since it uses as much as digits as its factorization.
1072173169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 15876, while the sum is 37.
The square root of 1072173169 is about 32744.0554757654. The cubic root of 1072173169 is about 1023.5010949721.
The spelling of 1072173169 in words is "one billion, seventy-two million, one hundred seventy-three thousand, one hundred sixty-nine".
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