Base | Representation |
---|---|
bin | 10100101011111100… |
… | …100000110111100101 |
3 | 2010100000000121110111 |
4 | 110223330200313211 |
5 | 330442300320122 |
6 | 14112030453021 |
7 | 1414302622312 |
oct | 245374406745 |
9 | 63300017414 |
10 | 22212120037 |
11 | 94691875a8 |
12 | 437a964171 |
13 | 212ca90ac3 |
14 | 1109dd9d09 |
15 | 8a007dd77 |
hex | 52bf20de5 |
22212120037 has 2 divisors, whose sum is σ = 22212120038. Its totient is φ = 22212120036.
The previous prime is 22212120001. The next prime is 22212120059. The reversal of 22212120037 is 73002121222.
It is an a-pointer prime, because the next prime (22212120059) can be obtained adding 22212120037 to its sum of digits (22).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13485944641 + 8726175396 = 116129^2 + 93414^2 .
It is a cyclic number.
It is not a de Polignac number, because 22212120037 - 215 = 22212087269 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22212120067) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106060018 + 11106060019.
It is an arithmetic number, because the mean of its divisors is an integer number (11106060019).
Almost surely, 222212120037 is an apocalyptic number.
It is an amenable number.
22212120037 is a deficient number, since it is larger than the sum of its proper divisors (1).
22212120037 is an equidigital number, since it uses as much as digits as its factorization.
22212120037 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 672, while the sum is 22.
Adding to 22212120037 its reverse (73002121222), we get a palindrome (95214241259).
The spelling of 22212120037 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, thirty-seven".
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