Base | Representation |
---|---|
bin | 1000000001010110… |
… | …1011000110000111 |
3 | 12120001120010100221 |
4 | 2000111223012013 |
5 | 13402202241231 |
6 | 553353445211 |
7 | 104233413352 |
oct | 20025530607 |
9 | 5501503327 |
10 | 2153165191 |
11 | a05450971 |
12 | 501110807 |
13 | 284113b58 |
14 | 165d69299 |
15 | c9069d11 |
hex | 8056b187 |
2153165191 has 2 divisors, whose sum is σ = 2153165192. Its totient is φ = 2153165190.
The previous prime is 2153165153. The next prime is 2153165207. The reversal of 2153165191 is 1915613512.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2153165191 - 29 = 2153164679 is a prime.
It is a super-2 number, since 2×21531651912 = 9272240679468132962, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2153165111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076582595 + 1076582596.
It is an arithmetic number, because the mean of its divisors is an integer number (1076582596).
Almost surely, 22153165191 is an apocalyptic number.
2153165191 is a deficient number, since it is larger than the sum of its proper divisors (1).
2153165191 is an equidigital number, since it uses as much as digits as its factorization.
2153165191 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8100, while the sum is 34.
The square root of 2153165191 is about 46402.2110572330. The cubic root of 2153165191 is about 1291.2959336129.
The spelling of 2153165191 in words is "two billion, one hundred fifty-three million, one hundred sixty-five thousand, one hundred ninety-one".
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