Base | Representation |
---|---|
bin | 10000001011001… |
… | …010000000010101 |
3 | 200220121111222011 |
4 | 100023022000111 |
5 | 1023432010041 |
6 | 42532104221 |
7 | 6503344042 |
oct | 2013120025 |
9 | 626544864 |
10 | 271360021 |
11 | 12a1a2889 |
12 | 76a65071 |
13 | 442b0b7a |
14 | 2807a1c9 |
15 | 18c52e81 |
hex | 102ca015 |
271360021 has 4 divisors (see below), whose sum is σ = 274409100. Its totient is φ = 268310944.
The previous prime is 271360007. The next prime is 271360031. The reversal of 271360021 is 120063172.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 125216100 + 146143921 = 11190^2 + 12089^2 .
It is a cyclic number.
It is not a de Polignac number, because 271360021 - 223 = 262971413 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 271359974 and 271360001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (271360031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524406 + ... + 1524583.
It is an arithmetic number, because the mean of its divisors is an integer number (68602275).
Almost surely, 2271360021 is an apocalyptic number.
It is an amenable number.
271360021 is a deficient number, since it is larger than the sum of its proper divisors (3049079).
271360021 is an equidigital number, since it uses as much as digits as its factorization.
271360021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3049078.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 271360021 is about 16473.0088629855. The cubic root of 271360021 is about 647.4138034660.
The spelling of 271360021 in words is "two hundred seventy-one million, three hundred sixty thousand, twenty-one".
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