Base | Representation |
---|---|
bin | 10100101101001001… |
… | …111101101001110111 |
3 | 2010101102020002221020 |
4 | 110231021331221313 |
5 | 331013000014111 |
6 | 14114033552223 |
7 | 1414640322600 |
oct | 245511755167 |
9 | 63342202836 |
10 | 22232423031 |
11 | 9479694535 |
12 | 4385715673 |
13 | 213404c100 |
14 | 110c9a2da7 |
15 | 8a1c3e906 |
hex | 52d27da77 |
22232423031 has 36 divisors (see below), whose sum is σ = 37339558632. Its totient is φ = 11726979264.
The previous prime is 22232422991. The next prime is 22232423039. The reversal of 22232423031 is 13032423222.
It is not a de Polignac number, because 22232423031 - 211 = 22232420983 is a prime.
It is a super-2 number, since 2×222324230312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22232422992 and 22232423010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22232423039) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 422616 + ... + 472301.
It is an arithmetic number, because the mean of its divisors is an integer number (1037209962).
Almost surely, 222232423031 is an apocalyptic number.
22232423031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
22232423031 is a deficient number, since it is larger than the sum of its proper divisors (15107135601).
22232423031 is a wasteful number, since it uses less digits than its factorization.
22232423031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894960 (or 894940 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 22232423031 its reverse (13032423222), we get a palindrome (35264846253).
The spelling of 22232423031 in words is "twenty-two billion, two hundred thirty-two million, four hundred twenty-three thousand, thirty-one".
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