Base | Representation |
---|---|
bin | 1101010001010111001… |
… | …0101110010011010001 |
3 | 210210111122010102020212 |
4 | 3110111302232103101 |
5 | 12213420203310243 |
6 | 252424035213505 |
7 | 22321011355361 |
oct | 3242562562321 |
9 | 723448112225 |
10 | 227998885073 |
11 | 8876a476a43 |
12 | 38230447295 |
13 | 18666c395ab |
14 | b06c8609a1 |
15 | 5de656a318 |
hex | 3515cae4d1 |
227998885073 has 4 divisors (see below), whose sum is σ = 234161017140. Its totient is φ = 221836753008.
The previous prime is 227998885067. The next prime is 227998885087. The reversal of 227998885073 is 370588899722.
227998885073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370588899722 = 2 ⋅185294449861.
It can be written as a sum of positive squares in 2 ways, for example, as 183807697984 + 44191187089 = 428728^2 + 210217^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-227998885073 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 227998884994 and 227998885012.
It is not an unprimeable number, because it can be changed into a prime (227998885013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081065978 + ... + 3081066051.
It is an arithmetic number, because the mean of its divisors is an integer number (58540254285).
Almost surely, 2227998885073 is an apocalyptic number.
It is an amenable number.
227998885073 is a deficient number, since it is larger than the sum of its proper divisors (6162132067).
227998885073 is an equidigital number, since it uses as much as digits as its factorization.
227998885073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6162132066.
The product of its (nonzero) digits is 121927680, while the sum is 68.
The spelling of 227998885073 in words is "two hundred twenty-seven billion, nine hundred ninety-eight million, eight hundred eighty-five thousand, seventy-three".
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