Base | Representation |
---|---|
bin | 1101011010100110010… |
… | …0111110010110011001 |
3 | 211000220102121012010211 |
4 | 3112221210332112121 |
5 | 12234004421340021 |
6 | 253514050011121 |
7 | 22436316205021 |
oct | 3265144762631 |
9 | 730812535124 |
10 | 230478308761 |
11 | 89821aa6728 |
12 | 38802876aa1 |
13 | 189708131bc |
14 | b225c76a81 |
15 | 5ede07e3e1 |
hex | 35a993e599 |
230478308761 has 2 divisors, whose sum is σ = 230478308762. Its totient is φ = 230478308760.
The previous prime is 230478308689. The next prime is 230478308821. The reversal of 230478308761 is 167803874032.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 151317110025 + 79161198736 = 388995^2 + 281356^2 .
It is a cyclic number.
It is not a de Polignac number, because 230478308761 - 217 = 230478177689 is a prime.
It is not a weakly prime, because it can be changed into another prime (230478308261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115239154380 + 115239154381.
It is an arithmetic number, because the mean of its divisors is an integer number (115239154381).
Almost surely, 2230478308761 is an apocalyptic number.
It is an amenable number.
230478308761 is a deficient number, since it is larger than the sum of its proper divisors (1).
230478308761 is an equidigital number, since it uses as much as digits as its factorization.
230478308761 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1354752, while the sum is 49.
The spelling of 230478308761 in words is "two hundred thirty billion, four hundred seventy-eight million, three hundred eight thousand, seven hundred sixty-one".
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