Base | Representation |
---|---|
bin | 100100011100110… |
… | …0101011110000001 |
3 | 10011020101122100222 |
4 | 1020321211132001 |
5 | 10001100231413 |
6 | 321210152425 |
7 | 42210540461 |
oct | 11071453601 |
9 | 3136348328 |
10 | 1223055233 |
11 | 578423554 |
12 | 2a1722715 |
13 | 16650742a |
14 | b8611ba1 |
15 | 72591b08 |
hex | 48e65781 |
1223055233 has 2 divisors, whose sum is σ = 1223055234. Its totient is φ = 1223055232.
The previous prime is 1223055227. The next prime is 1223055247. The reversal of 1223055233 is 3325503221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1001849104 + 221206129 = 31652^2 + 14873^2 .
It is an emirp because it is prime and its reverse (3325503221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1223055233 - 220 = 1222006657 is a prime.
It is not a weakly prime, because it can be changed into another prime (1223055283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611527616 + 611527617.
It is an arithmetic number, because the mean of its divisors is an integer number (611527617).
Almost surely, 21223055233 is an apocalyptic number.
It is an amenable number.
1223055233 is a deficient number, since it is larger than the sum of its proper divisors (1).
1223055233 is an equidigital number, since it uses as much as digits as its factorization.
1223055233 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5400, while the sum is 26.
The square root of 1223055233 is about 34972.2065789392. The cubic root of 1223055233 is about 1069.4209558058.
Adding to 1223055233 its reverse (3325503221), we get a palindrome (4548558454).
The spelling of 1223055233 in words is "one billion, two hundred twenty-three million, fifty-five thousand, two hundred thirty-three".
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