Base | Representation |
---|---|
bin | 10010110101010001… |
… | …110101110001111011 |
3 | 1221012020210111210120 |
4 | 102311101311301323 |
5 | 312403113101021 |
6 | 13142310544323 |
7 | 1314046360014 |
oct | 226521656173 |
9 | 57166714716 |
10 | 20221222011 |
11 | 8637397431 |
12 | 3b040680a3 |
13 | 1ba3482633 |
14 | d9b83000b |
15 | 7d53b82c6 |
hex | 4b5475c7b |
20221222011 has 8 divisors (see below), whose sum is σ = 27588644160. Its totient is φ = 13167307272.
The previous prime is 20221221997. The next prime is 20221222037. The reversal of 20221222011 is 11022212202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20221222011 - 26 = 20221221947 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20221222061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78376701 + ... + 78376958.
It is an arithmetic number, because the mean of its divisors is an integer number (3448580520).
Almost surely, 220221222011 is an apocalyptic number.
20221222011 is a deficient number, since it is larger than the sum of its proper divisors (7367422149).
20221222011 is a wasteful number, since it uses less digits than its factorization.
20221222011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156753705.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 20221222011 its reverse (11022212202), we get a palindrome (31243434213).
The spelling of 20221222011 in words is "twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, eleven".
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