Base | Representation |
---|---|
bin | 100100101011011… |
… | …0001100010101011 |
3 | 10011202210101102112 |
4 | 1021112301202223 |
5 | 10010030104414 |
6 | 322042152535 |
7 | 42332556434 |
oct | 11126614253 |
9 | 3152711375 |
10 | 1230706859 |
11 | 58177a308 |
12 | 2a41b274b |
13 | 167c86115 |
14 | b964448b |
15 | 730a3d3e |
hex | 495b18ab |
1230706859 has 2 divisors, whose sum is σ = 1230706860. Its totient is φ = 1230706858.
The previous prime is 1230706847. The next prime is 1230706861. The reversal of 1230706859 is 9586070321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1230706859 - 212 = 1230702763 is a prime.
It is a super-3 number, since 3×12307068593 (a number of 28 digits) contains 333 as substring.
Together with 1230706861, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1230706889) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615353429 + 615353430.
It is an arithmetic number, because the mean of its divisors is an integer number (615353430).
Almost surely, 21230706859 is an apocalyptic number.
1230706859 is a deficient number, since it is larger than the sum of its proper divisors (1).
1230706859 is an equidigital number, since it uses as much as digits as its factorization.
1230706859 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 90720, while the sum is 41.
The square root of 1230706859 is about 35081.4318265375. The cubic root of 1230706859 is about 1071.6464764308.
The spelling of 1230706859 in words is "one billion, two hundred thirty million, seven hundred six thousand, eight hundred fifty-nine".
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