Base | Representation |
---|---|
bin | 1011101000101000… |
… | …1011011001100111 |
3 | 22001122220112112201 |
4 | 2322022023121213 |
5 | 22344021332221 |
6 | 1233525355331 |
7 | 140253006505 |
oct | 27212133147 |
9 | 8048815481 |
10 | 3123230311 |
11 | 1362a89183 |
12 | 731b68b47 |
13 | 3aa09c896 |
14 | 218b23675 |
15 | 1342d6891 |
hex | ba28b667 |
3123230311 has 2 divisors, whose sum is σ = 3123230312. Its totient is φ = 3123230310.
The previous prime is 3123230303. The next prime is 3123230333. The reversal of 3123230311 is 1130323213.
It is a weak prime.
It is an emirp because it is prime and its reverse (1130323213) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3123230311 - 23 = 3123230303 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3123230611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561615155 + 1561615156.
It is an arithmetic number, because the mean of its divisors is an integer number (1561615156).
Almost surely, 23123230311 is an apocalyptic number.
3123230311 is a deficient number, since it is larger than the sum of its proper divisors (1).
3123230311 is an equidigital number, since it uses as much as digits as its factorization.
3123230311 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 3123230311 is about 55885.8686163148. The cubic root of 3123230311 is about 1461.7328382196.
Adding to 3123230311 its reverse (1130323213), we get a palindrome (4253553524).
The spelling of 3123230311 in words is "three billion, one hundred twenty-three million, two hundred thirty thousand, three hundred eleven".
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