Base | Representation |
---|---|
bin | 110010001000… |
… | …000100101111 |
3 | 220201121001201 |
4 | 302020010233 |
5 | 11330442041 |
6 | 1145350331 |
7 | 216455554 |
oct | 62100457 |
9 | 26647051 |
10 | 13140271 |
11 | 7465531 |
12 | 44983a7 |
13 | 2951011 |
14 | 1a60a2b |
15 | 1248631 |
hex | c8812f |
13140271 has 2 divisors, whose sum is σ = 13140272. Its totient is φ = 13140270.
The previous prime is 13140221. The next prime is 13140289. The reversal of 13140271 is 17204131.
13140271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13140271 - 213 = 13132079 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13140221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570135 + 6570136.
It is an arithmetic number, because the mean of its divisors is an integer number (6570136).
Almost surely, 213140271 is an apocalyptic number.
13140271 is a deficient number, since it is larger than the sum of its proper divisors (1).
13140271 is an equidigital number, since it uses as much as digits as its factorization.
13140271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 168, while the sum is 19.
The square root of 13140271 is about 3624.9511720849. The cubic root of 13140271 is about 235.9761478814.
The spelling of 13140271 in words is "thirteen million, one hundred forty thousand, two hundred seventy-one".
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