Base | Representation |
---|---|
bin | 100000011111010… |
… | …0011101111111101 |
3 | 2210222021220120022 |
4 | 1000332203233331 |
5 | 4213034004211 |
6 | 300101301525 |
7 | 36005022113 |
oct | 10076435775 |
9 | 2728256508 |
10 | 1090141181 |
11 | 50a3a1228 |
12 | 2651048a5 |
13 | 144b0b46c |
14 | a4ad3ab3 |
15 | 65a89bdb |
hex | 40fa3bfd |
1090141181 has 2 divisors, whose sum is σ = 1090141182. Its totient is φ = 1090141180.
The previous prime is 1090141163. The next prime is 1090141183. The reversal of 1090141181 is 1811410901.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 700078681 + 390062500 = 26459^2 + 19750^2 .
It is a cyclic number.
It is not a de Polignac number, because 1090141181 - 210 = 1090140157 is a prime.
It is a super-2 number, since 2×10901411812 = 2376815589024149522, which contains 22 as substring.
Together with 1090141183, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1090141181.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1090141183) 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, 545070590 + 545070591.
It is an arithmetic number, because the mean of its divisors is an integer number (545070591).
Almost surely, 21090141181 is an apocalyptic number.
It is an amenable number.
1090141181 is a deficient number, since it is larger than the sum of its proper divisors (1).
1090141181 is an equidigital number, since it uses as much as digits as its factorization.
1090141181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 26.
The square root of 1090141181 is about 33017.2860938024. The cubic root of 1090141181 is about 1029.1868974859.
The spelling of 1090141181 in words is "one billion, ninety million, one hundred forty-one thousand, one hundred eighty-one".
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