Base | Representation |
---|---|
bin | 1011100111110111… |
… | …1001111011100111 |
3 | 22001102212002021012 |
4 | 2321331321323213 |
5 | 22342210404111 |
6 | 1233332412435 |
7 | 140213446622 |
oct | 27175717347 |
9 | 8042762235 |
10 | 3120013031 |
11 | 1361190a73 |
12 | 730a7711b |
13 | 3a9514375 |
14 | 218526db9 |
15 | 133d9d48b |
hex | b9f79ee7 |
3120013031 has 2 divisors, whose sum is σ = 3120013032. Its totient is φ = 3120013030.
The previous prime is 3120013003. The next prime is 3120013069. The reversal of 3120013031 is 1303100213.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 3120013031 - 26 = 3120012967 is a prime.
It is a super-2 number, since 2×31200130312 = 19468962627219613922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3120012997 and 3120013015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3120010031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560006515 + 1560006516.
It is an arithmetic number, because the mean of its divisors is an integer number (1560006516).
Almost surely, 23120013031 is an apocalyptic number.
3120013031 is a deficient number, since it is larger than the sum of its proper divisors (1).
3120013031 is an equidigital number, since it uses as much as digits as its factorization.
3120013031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 3120013031 is about 55857.0768211155. The cubic root of 3120013031 is about 1461.2307491336.
Adding to 3120013031 its reverse (1303100213), we get a palindrome (4423113244).
The spelling of 3120013031 in words is "three billion, one hundred twenty million, thirteen thousand, thirty-one".
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