Base | Representation |
---|---|
bin | 10000001010110… |
… | …100000100000001 |
3 | 200220102221200102 |
4 | 100022310010001 |
5 | 1023421121040 |
6 | 42530132145 |
7 | 6502521026 |
oct | 2012640401 |
9 | 626387612 |
10 | 271270145 |
11 | 12a141303 |
12 | 76a21055 |
13 | 4427bca3 |
14 | 2805554d |
15 | 18c36515 |
hex | 102b4101 |
271270145 has 32 divisors (see below), whose sum is σ = 342921600. Its totient is φ = 205826560.
The previous prime is 271270127. The next prime is 271270151. The reversal of 271270145 is 541072172.
It is not a de Polignac number, because 271270145 - 220 = 270221569 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1820531 + ... + 1820679.
It is an arithmetic number, because the mean of its divisors is an integer number (10716300).
Almost surely, 2271270145 is an apocalyptic number.
It is an amenable number.
271270145 is a deficient number, since it is larger than the sum of its proper divisors (71651455).
271270145 is a wasteful number, since it uses less digits than its factorization.
271270145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385.
The product of its (nonzero) digits is 3920, while the sum is 29.
The square root of 271270145 is about 16470.2806594180. The cubic root of 271270145 is about 647.3423198481.
The spelling of 271270145 in words is "two hundred seventy-one million, two hundred seventy thousand, one hundred forty-five".
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