Base | Representation |
---|---|
bin | 10100101011110100… |
… | …110110011000110111 |
3 | 2010022212020112121212 |
4 | 110223310312120313 |
5 | 330441242023111 |
6 | 14111515432035 |
7 | 1414246554203 |
oct | 245364663067 |
9 | 63285215555 |
10 | 22210111031 |
11 | 9468035169 |
12 | 437a15561b |
13 | 212c539544 |
14 | 1109a35b03 |
15 | 89ecd398b |
hex | 52bd36637 |
22210111031 has 2 divisors, whose sum is σ = 22210111032. Its totient is φ = 22210111030.
The previous prime is 22210110961. The next prime is 22210111037. The reversal of 22210111031 is 13011101222.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 22210111031 - 218 = 22209848887 is a prime.
It is a super-2 number, since 2×222101110312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22210110997 and 22210111015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22210111037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105055515 + 11105055516.
It is an arithmetic number, because the mean of its divisors is an integer number (11105055516).
Almost surely, 222210111031 is an apocalyptic number.
22210111031 is a deficient number, since it is larger than the sum of its proper divisors (1).
22210111031 is an equidigital number, since it uses as much as digits as its factorization.
22210111031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 22210111031 its reverse (13011101222), we get a palindrome (35221212253).
The spelling of 22210111031 in words is "twenty-two billion, two hundred ten million, one hundred eleven thousand, thirty-one".
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