Base | Representation |
---|---|
bin | 111100111011011… |
… | …011001111000011 |
3 | 2122020110200220002 |
4 | 330323123033003 |
5 | 4043141223021 |
6 | 245233310215 |
7 | 34221436013 |
oct | 7473331703 |
9 | 2566420802 |
10 | 1022211011 |
11 | 485014298 |
12 | 24640536b |
13 | 133a15ab3 |
14 | 99a8dc43 |
15 | 5eb1c50b |
hex | 3cedb3c3 |
1022211011 has 4 divisors (see below), whose sum is σ = 1066654992. Its totient is φ = 977767032.
The previous prime is 1022210989. The next prime is 1022211017. The reversal of 1022211011 is 1101122201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1101122201 = 31 ⋅35520071.
It is a cyclic number.
It is not a de Polignac number, because 1022211011 - 222 = 1018016707 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1022210983 and 1022211001.
It is not an unprimeable number, because it can be changed into a prime (1022211017) 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 in 3 ways as a sum of consecutive naturals, for example, 22221956 + ... + 22222001.
It is an arithmetic number, because the mean of its divisors is an integer number (266663748).
Almost surely, 21022211011 is an apocalyptic number.
1022211011 is a deficient number, since it is larger than the sum of its proper divisors (44443981).
1022211011 is an equidigital number, since it uses as much as digits as its factorization.
1022211011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44443980.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 1022211011 is about 31972.0348273300. The cubic root of 1022211011 is about 1007.3495225227.
Adding to 1022211011 its reverse (1101122201), we get a palindrome (2123333212).
The spelling of 1022211011 in words is "one billion, twenty-two million, two hundred eleven thousand, eleven".
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