Base | Representation |
---|---|
bin | 10001110010010111100… |
… | …111011111011100111001 |
3 | 11022212000012020022021002 |
4 | 101302113213133130321 |
5 | 130011244443032441 |
6 | 2333305024054345 |
7 | 154211043115100 |
oct | 21622747373471 |
9 | 4285005208232 |
10 | 1222314424121 |
11 | 43142069921a |
12 | 178a867643b5 |
13 | 8b357617c6b |
14 | 43235d55037 |
15 | 21bddc26b9b |
hex | 11c979df739 |
1222314424121 has 12 divisors (see below), whose sum is σ = 1422317585700. Its totient is φ = 1047372671520.
The previous prime is 1222314424103. The next prime is 1222314424181. The reversal of 1222314424121 is 1214244132221.
It can be written as a sum of positive squares in 2 ways, for example, as 728120890000 + 494193534121 = 853300^2 + 702989^2 .
It is a de Polignac number, because none of the positive numbers 2k-1222314424121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222314424181) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3714446 + ... + 4030103.
It is an arithmetic number, because the mean of its divisors is an integer number (118526465475).
Almost surely, 21222314424121 is an apocalyptic number.
It is an amenable number.
1222314424121 is a deficient number, since it is larger than the sum of its proper divisors (200003161579).
1222314424121 is an equidigital number, since it uses as much as digits as its factorization.
1222314424121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7747784 (or 7747777 counting only the distinct ones).
The product of its digits is 6144, while the sum is 29.
Adding to 1222314424121 its reverse (1214244132221), we get a palindrome (2436558556342).
The spelling of 1222314424121 in words is "one trillion, two hundred twenty-two billion, three hundred fourteen million, four hundred twenty-four thousand, one hundred twenty-one".
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