Base | Representation |
---|---|
bin | 10000001010101… |
… | …001000010110001 |
3 | 200220100122202201 |
4 | 100022221002301 |
5 | 1023413200014 |
6 | 42525143201 |
7 | 6502242316 |
oct | 2012510261 |
9 | 626318681 |
10 | 271225009 |
11 | 12a110400 |
12 | 769bab01 |
13 | 44264593 |
14 | 28042d0d |
15 | 18c27e74 |
hex | 102a90b1 |
271225009 has 12 divisors (see below), whose sum is σ = 303755508. Its totient is φ = 241910240.
The previous prime is 271224997. The next prime is 271225033. The reversal of 271225009 is 900522172.
It can be written as a sum of positive squares in 2 ways, for example, as 130873600 + 140351409 = 11440^2 + 11847^2 .
It is not a de Polignac number, because 271225009 - 25 = 271224977 is a prime.
It is not an unprimeable number, because it can be changed into a prime (271225099) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14734 + ... + 27559.
It is an arithmetic number, because the mean of its divisors is an integer number (25312959).
Almost surely, 2271225009 is an apocalyptic number.
It is an amenable number.
271225009 is a deficient number, since it is larger than the sum of its proper divisors (32530499).
271225009 is a wasteful number, since it uses less digits than its factorization.
271225009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42368 (or 42357 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 271225009 is about 16468.9103768282. The cubic root of 271225009 is about 647.3064146024.
It can be divided in two parts, 27122 and 5009, that added together give a triangular number (32131 = T253).
The spelling of 271225009 in words is "two hundred seventy-one million, two hundred twenty-five thousand, nine".
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