Base | Representation |
---|---|
bin | 100100001010000… |
… | …0111101110101101 |
3 | 10010112220200022001 |
4 | 1020110013232231 |
5 | 4441041442333 |
6 | 320215452301 |
7 | 42031214431 |
oct | 11024075655 |
9 | 3115820261 |
10 | 1213234093 |
11 | 572925805 |
12 | 29a387091 |
13 | 1644790c6 |
14 | b71b69c1 |
15 | 717a1b7d |
hex | 48507bad |
1213234093 has 2 divisors, whose sum is σ = 1213234094. Its totient is φ = 1213234092.
The previous prime is 1213234081. The next prime is 1213234133. The reversal of 1213234093 is 3904323121.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 964288809 + 248945284 = 31053^2 + 15778^2 .
It is an emirp because it is prime and its reverse (3904323121) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1213234093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1213234993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606617046 + 606617047.
It is an arithmetic number, because the mean of its divisors is an integer number (606617047).
Almost surely, 21213234093 is an apocalyptic number.
It is an amenable number.
1213234093 is a deficient number, since it is larger than the sum of its proper divisors (1).
1213234093 is an equidigital number, since it uses as much as digits as its factorization.
1213234093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 28.
The square root of 1213234093 is about 34831.5100591404. The cubic root of 1213234093 is about 1066.5507742035.
It can be divided in two parts, 12132 and 34093, that added together give a square (46225 = 2152).
The spelling of 1213234093 in words is "one billion, two hundred thirteen million, two hundred thirty-four thousand, ninety-three".
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