Base | Representation |
---|---|
bin | 1010000000111011100101… |
… | …01110001000000110100111 |
3 | 2212222022012111221222200210 |
4 | 11000131302232020012213 |
5 | 10341303002314133111 |
6 | 114500511422110503 |
7 | 4432024122420201 |
oct | 500356256100647 |
9 | 85868174858623 |
10 | 22022222021031 |
11 | 7020632238161 |
12 | 257807971b433 |
13 | c398c069467b |
14 | 561c4a163771 |
15 | 282cadbeb0a6 |
hex | 140772b881a7 |
22022222021031 has 32 divisors (see below), whose sum is σ = 29771574497280. Its totient is φ = 14477839279200.
The previous prime is 22022222020999. The next prime is 22022222021071. The reversal of 22022222021031 is 13012022222022.
It is not a de Polignac number, because 22022222021031 - 25 = 22022222020999 is a prime.
It is a super-2 number, since 2×220222220210312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22022222020989 and 22022222021007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22022222021071) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796997586 + ... + 797025216.
It is an arithmetic number, because the mean of its divisors is an integer number (930361703040).
Almost surely, 222022222021031 is an apocalyptic number.
22022222021031 is a deficient number, since it is larger than the sum of its proper divisors (7749352476249).
22022222021031 is a wasteful number, since it uses less digits than its factorization.
22022222021031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33507.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 22022222021031 its reverse (13012022222022), we get a palindrome (35034244243053).
The spelling of 22022222021031 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-two million, twenty-one thousand, thirty-one".
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