Base | Representation |
---|---|
bin | 10010100110010… |
… | …001010001010111 |
3 | 210202010100212012 |
4 | 102212101101113 |
5 | 1114334201403 |
6 | 50543414435 |
7 | 10506100301 |
oct | 2246212127 |
9 | 722110765 |
10 | 312022103 |
11 | 150145908 |
12 | 885b441b |
13 | 4c849b83 |
14 | 2d622971 |
15 | 1c5d5ed8 |
hex | 12991457 |
312022103 has 2 divisors, whose sum is σ = 312022104. Its totient is φ = 312022102.
The previous prime is 312022091. The next prime is 312022121. The reversal of 312022103 is 301220213.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312022103 is a prime.
It is a super-3 number, since 3×3120221033 (a number of 26 digits) contains 333 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (312022133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156011051 + 156011052.
It is an arithmetic number, because the mean of its divisors is an integer number (156011052).
Almost surely, 2312022103 is an apocalyptic number.
312022103 is a deficient number, since it is larger than the sum of its proper divisors (1).
312022103 is an equidigital number, since it uses as much as digits as its factorization.
312022103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 312022103 is about 17664.1473895572. The cubic root of 312022103 is about 678.2583044525.
Adding to 312022103 its reverse (301220213), we get a palindrome (613242316).
The spelling of 312022103 in words is "three hundred twelve million, twenty-two thousand, one hundred three".
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