Base | Representation |
---|---|
bin | 10000001000100… |
… | …001010001101001 |
3 | 200212022101221021 |
4 | 100020201101221 |
5 | 1023242401110 |
6 | 42505212441 |
7 | 6464435113 |
oct | 2010412151 |
9 | 625271837 |
10 | 270668905 |
11 | 129870611 |
12 | 76791121 |
13 | 440cb420 |
14 | 27d3a3b3 |
15 | 18b682da |
hex | 10221469 |
270668905 has 16 divisors (see below), whose sum is σ = 361073664. Its totient is φ = 193429440.
The previous prime is 270668891. The next prime is 270668929. The reversal of 270668905 is 509866072.
It is not a de Polignac number, because 270668905 - 25 = 270668873 is a prime.
It is a super-2 number, since 2×2706689052 = 146523312267798050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65149 + ... + 69178.
It is an arithmetic number, because the mean of its divisors is an integer number (22567104).
Almost surely, 2270668905 is an apocalyptic number.
It is an amenable number.
270668905 is a deficient number, since it is larger than the sum of its proper divisors (90404759).
270668905 is a wasteful number, since it uses less digits than its factorization.
270668905 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134376.
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 270668905 is about 16452.0182652464. The cubic root of 270668905 is about 646.8637120795.
The spelling of 270668905 in words is "two hundred seventy million, six hundred sixty-eight thousand, nine hundred five".
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