Base | Representation |
---|---|
bin | 1011011111101001… |
… | …10101110011011001 |
3 | 120221001222212012222 |
4 | 11233310311303121 |
5 | 100114244341022 |
6 | 2500203513425 |
7 | 305632254302 |
oct | 55764656331 |
9 | 16831885188 |
10 | 6171090137 |
11 | 26874683a3 |
12 | 1242828875 |
13 | 774670334 |
14 | 4278277a9 |
15 | 261b81242 |
hex | 16fd35cd9 |
6171090137 has 2 divisors, whose sum is σ = 6171090138. Its totient is φ = 6171090136.
The previous prime is 6171090067. The next prime is 6171090143. The reversal of 6171090137 is 7310901716.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3125816281 + 3045273856 = 55909^2 + 55184^2 .
It is a cyclic number.
It is not a de Polignac number, because 6171090137 - 224 = 6154312921 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 6171090097 and 6171090106.
It is not a weakly prime, because it can be changed into another prime (6171090157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3085545068 + 3085545069.
It is an arithmetic number, because the mean of its divisors is an integer number (3085545069).
Almost surely, 26171090137 is an apocalyptic number.
It is an amenable number.
6171090137 is a deficient number, since it is larger than the sum of its proper divisors (1).
6171090137 is an equidigital number, since it uses as much as digits as its factorization.
6171090137 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7938, while the sum is 35.
The square root of 6171090137 is about 78556.2864257215. The cubic root of 6171090137 is about 1834.2307220990.
The spelling of 6171090137 in words is "six billion, one hundred seventy-one million, ninety thousand, one hundred thirty-seven".
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