Base | Representation |
---|---|
bin | 100100101010110… |
… | …1110011100001011 |
3 | 10011202021102101222 |
4 | 1021111232130023 |
5 | 10004442311021 |
6 | 322032232255 |
7 | 42330333224 |
oct | 11125563413 |
9 | 3152242358 |
10 | 1230432011 |
11 | 581601866 |
12 | 2a409b68b |
13 | 167bbaca3 |
14 | b95b224b |
15 | 7304c6ab |
hex | 4956e70b |
1230432011 has 2 divisors, whose sum is σ = 1230432012. Its totient is φ = 1230432010.
The previous prime is 1230431987. The next prime is 1230432101. The reversal of 1230432011 is 1102340321.
Together with next prime (1230432101) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1230432011 - 26 = 1230431947 is a prime.
It is not a weakly prime, because it can be changed into another prime (1230432611) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615216005 + 615216006.
It is an arithmetic number, because the mean of its divisors is an integer number (615216006).
Almost surely, 21230432011 is an apocalyptic number.
1230432011 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230432011 is an equidigital number, since it uses as much as digits as its factorization.
1230432011 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1230432011 is about 35077.5143218558. The cubic root of 1230432011 is about 1071.5666952283.
Adding to 1230432011 its reverse (1102340321), we get a palindrome (2332772332).
The spelling of 1230432011 in words is "one billion, two hundred thirty million, four hundred thirty-two thousand, eleven".
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