Base | Representation |
---|---|
bin | 1101010000011000101… |
… | …1010110101000100000 |
3 | 210202211101011111220022 |
4 | 3110012023112220200 |
5 | 12212401122000042 |
6 | 252342040133012 |
7 | 22311350522651 |
oct | 3240613265040 |
9 | 722741144808 |
10 | 227736906272 |
11 | 88645601437 |
12 | 38178767168 |
13 | 18624891755 |
14 | b045b47528 |
15 | 5dcd56bcd2 |
hex | 35062d6a20 |
227736906272 has 54 divisors (see below), whose sum is σ = 464510425743. Its totient is φ = 109904161024.
The previous prime is 227736906253. The next prime is 227736906311. The reversal of 227736906272 is 272609637722.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 201166602256 + 26570304016 = 448516^2 + 163004^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=337444.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78285554 + ... + 78288462.
Almost surely, 2227736906272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227736906272
227736906272 is an abundant number, since it is smaller than the sum of its proper divisors (236773519471).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227736906272 is an frugal number, since it uses more digits than its factorization.
227736906272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5886 (or 2940 counting only the distinct ones).
The product of its (nonzero) digits is 5334336, while the sum is 53.
The spelling of 227736906272 in words is "two hundred twenty-seven billion, seven hundred thirty-six million, nine hundred six thousand, two hundred seventy-two".
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