Base | Representation |
---|---|
bin | 1011101101100111000… |
… | …1011001011111101001 |
3 | 201020101111212211212021 |
4 | 2323121301121133221 |
5 | 11244100324212334 |
6 | 232235023544441 |
7 | 20352320431411 |
oct | 2733161313751 |
9 | 636344784767 |
10 | 201222100969 |
11 | 783796a27aa |
12 | 32bb8a5b121 |
13 | 15c8a581146 |
14 | 9a4c525641 |
15 | 537a8c83b4 |
hex | 2ed9c597e9 |
201222100969 has 2 divisors, whose sum is σ = 201222100970. Its totient is φ = 201222100968.
The previous prime is 201222100943. The next prime is 201222101011. The reversal of 201222100969 is 969001222102.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 140784795369 + 60437305600 = 375213^2 + 245840^2 .
It is a cyclic number.
It is not a de Polignac number, because 201222100969 - 231 = 199074617321 is a prime.
It is a super-2 number, since 2×2012221009692 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (201222140969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100611050484 + 100611050485.
It is an arithmetic number, because the mean of its divisors is an integer number (100611050485).
Almost surely, 2201222100969 is an apocalyptic number.
It is an amenable number.
201222100969 is a deficient number, since it is larger than the sum of its proper divisors (1).
201222100969 is an equidigital number, since it uses as much as digits as its factorization.
201222100969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 34.
The spelling of 201222100969 in words is "two hundred one billion, two hundred twenty-two million, one hundred thousand, nine hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •