Base | Representation |
---|---|
bin | 10100100110011101… |
… | …111110110010000111 |
3 | 2010002121010010001122 |
4 | 110212131332302013 |
5 | 330300234330043 |
6 | 14054545144155 |
7 | 1412105565353 |
oct | 244635766207 |
9 | 63077103048 |
10 | 22120230023 |
11 | 9421325241 |
12 | 435402b05b |
13 | 2116a29808 |
14 | 10dbb1a463 |
15 | 896e7c368 |
hex | 52677ec87 |
22120230023 has 4 divisors (see below), whose sum is σ = 22122733560. Its totient is φ = 22117726488.
The previous prime is 22120230007. The next prime is 22120230047. The reversal of 22120230023 is 32003202122.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32003202122 = 2 ⋅16001601061.
It is a cyclic number.
It is not a de Polignac number, because 22120230023 - 24 = 22120230007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22120229983 and 22120230010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22120230053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238468 + ... + 1256201.
It is an arithmetic number, because the mean of its divisors is an integer number (5530683390).
Almost surely, 222120230023 is an apocalyptic number.
22120230023 is a deficient number, since it is larger than the sum of its proper divisors (2503537).
22120230023 is an equidigital number, since it uses as much as digits as its factorization.
22120230023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2503536.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 22120230023 its reverse (32003202122), we get a palindrome (54123432145).
The spelling of 22120230023 in words is "twenty-two billion, one hundred twenty million, two hundred thirty thousand, twenty-three".
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