Base | Representation |
---|---|
bin | 100100101010010… |
… | …0101010011011011 |
3 | 10011201201012110212 |
4 | 1021110211103123 |
5 | 10004403214233 |
6 | 322022001335 |
7 | 42324644651 |
oct | 11124452333 |
9 | 3151635425 |
10 | 1230132443 |
11 | 581417791 |
12 | 2a3b7624b |
13 | 167b14827 |
14 | b9534dd1 |
15 | 72edda48 |
hex | 495254db |
1230132443 has 2 divisors, whose sum is σ = 1230132444. Its totient is φ = 1230132442.
The previous prime is 1230132413. The next prime is 1230132479. The reversal of 1230132443 is 3442310321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1230132443 - 214 = 1230116059 is a prime.
It is a super-2 number, since 2×12301324432 = 3026451654642296498, which contains 22 as substring.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (1230132403) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615066221 + 615066222.
It is an arithmetic number, because the mean of its divisors is an integer number (615066222).
Almost surely, 21230132443 is an apocalyptic number.
1230132443 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230132443 is an equidigital number, since it uses as much as digits as its factorization.
1230132443 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 23.
The square root of 1230132443 is about 35073.2439759997. The cubic root of 1230132443 is about 1071.4797249220.
Adding to 1230132443 its reverse (3442310321), we get a palindrome (4672442764).
It can be divided in two parts, 12301 and 32443, that added together give a palindrome (44744).
The spelling of 1230132443 in words is "one billion, two hundred thirty million, one hundred thirty-two thousand, four hundred forty-three".
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