Base | Representation |
---|---|
bin | 1101001111101010100… |
… | …0111001001000001001 |
3 | 210202022212220110202212 |
4 | 3103322220321020021 |
5 | 12212002042320040 |
6 | 252310523034505 |
7 | 22303510222445 |
oct | 3237250711011 |
9 | 722285813685 |
10 | 227543323145 |
11 | 88556301586 |
12 | 3812396ba35 |
13 | 185c3743118 |
14 | b028155825 |
15 | 5dbb57dd65 |
hex | 34faa39209 |
227543323145 has 8 divisors (see below), whose sum is σ = 273283198920. Its totient is φ = 181880517760.
The previous prime is 227543323129. The next prime is 227543323177. The reversal of 227543323145 is 541323345722.
It can be written as a sum of positive squares in 4 ways, for example, as 15144009721 + 212399313424 = 123061^2 + 460868^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 227543323145 - 24 = 227543323129 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19261100 + ... + 19272909.
It is an arithmetic number, because the mean of its divisors is an integer number (34160399865).
Almost surely, 2227543323145 is an apocalyptic number.
It is an amenable number.
227543323145 is a deficient number, since it is larger than the sum of its proper divisors (45739875775).
227543323145 is a wasteful number, since it uses less digits than its factorization.
227543323145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38535195.
The product of its digits is 604800, while the sum is 41.
Adding to 227543323145 its reverse (541323345722), we get a palindrome (768866668867).
The spelling of 227543323145 in words is "two hundred twenty-seven billion, five hundred forty-three million, three hundred twenty-three thousand, one hundred forty-five".
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