Base | Representation |
---|---|
bin | 11101101100010011111… |
… | …10000101000001001101 |
3 | 10121112101000200112011112 |
4 | 32312021332011001031 |
5 | 113203403313014404 |
6 | 2100403350101405 |
7 | 133465023632564 |
oct | 16661176050115 |
9 | 3545330615145 |
10 | 1020222001229 |
11 | 3637457a4802 |
12 | 14588634a865 |
13 | 7528b961a42 |
14 | 37543ddabdb |
15 | 1b811c3556e |
hex | ed89f8504d |
1020222001229 has 2 divisors, whose sum is σ = 1020222001230. Its totient is φ = 1020222001228.
The previous prime is 1020222001121. The next prime is 1020222001241. The reversal of 1020222001229 is 9221002220201.
1020222001229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1012911409225 + 7310592004 = 1006435^2 + 85502^2 .
It is a cyclic number.
It is not a de Polignac number, because 1020222001229 - 212 = 1020221997133 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020222006229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510111000614 + 510111000615.
It is an arithmetic number, because the mean of its divisors is an integer number (510111000615).
Almost surely, 21020222001229 is an apocalyptic number.
It is an amenable number.
1020222001229 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020222001229 is an equidigital number, since it uses as much as digits as its factorization.
1020222001229 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 23.
The spelling of 1020222001229 in words is "one trillion, twenty billion, two hundred twenty-two million, one thousand, two hundred twenty-nine".
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