Base | Representation |
---|---|
bin | 100111011001111… |
… | …0011011111001001 |
3 | 10102010221212122111 |
4 | 1032303303133021 |
5 | 10201440444311 |
6 | 335111222321 |
7 | 44523353323 |
oct | 11663633711 |
9 | 3363855574 |
10 | 1322203081 |
11 | 619392821 |
12 | 30a9779a1 |
13 | 180c100b4 |
14 | c7860613 |
15 | 7b128d21 |
hex | 4ecf37c9 |
1322203081 has 2 divisors, whose sum is σ = 1322203082. Its totient is φ = 1322203080.
The previous prime is 1322203021. The next prime is 1322203123. The reversal of 1322203081 is 1803022231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1313700025 + 8503056 = 36245^2 + 2916^2 .
It is a cyclic number.
It is not a de Polignac number, because 1322203081 - 29 = 1322202569 is a prime.
It is a super-2 number, since 2×13222030812 = 3496441974811785122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1322203021) 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, 661101540 + 661101541.
It is an arithmetic number, because the mean of its divisors is an integer number (661101541).
Almost surely, 21322203081 is an apocalyptic number.
It is an amenable number.
1322203081 is a deficient number, since it is larger than the sum of its proper divisors (1).
1322203081 is an equidigital number, since it uses as much as digits as its factorization.
1322203081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 1322203081 is about 36362.1105135552. The cubic root of 1322203081 is about 1097.5712477031.
The spelling of 1322203081 in words is "one billion, three hundred twenty-two million, two hundred three thousand, eighty-one".
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