Base | Representation |
---|---|
bin | 10010110101011001… |
… | …011001011011010111 |
3 | 1221012101112011020200 |
4 | 102311121121123113 |
5 | 312404114444111 |
6 | 13142421231543 |
7 | 1314102250413 |
oct | 226531313327 |
9 | 57171464220 |
10 | 20223203031 |
11 | 863851a839 |
12 | 3b048625b3 |
13 | 1ba39c7235 |
14 | d9bbc7d43 |
15 | 7d565a256 |
hex | 4b56596d7 |
20223203031 has 48 divisors (see below), whose sum is σ = 30875959296. Its totient is φ = 12729835008.
The previous prime is 20223203029. The next prime is 20223203051. The reversal of 20223203031 is 13030232202.
It is a happy number.
20223203031 is a `hidden beast` number, since 20 + 22 + 320 + 303 + 1 = 666.
It is not a de Polignac number, because 20223203031 - 21 = 20223203029 is a prime.
It is a super-2 number, since 2×202232030312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20223202995 and 20223203013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20223203051) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7524970 + ... + 7527656.
It is an arithmetic number, because the mean of its divisors is an integer number (643249152).
Almost surely, 220223203031 is an apocalyptic number.
20223203031 is a deficient number, since it is larger than the sum of its proper divisors (10652756265).
20223203031 is a wasteful number, since it uses less digits than its factorization.
20223203031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3172 (or 3169 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20223203031 its reverse (13030232202), we get a palindrome (33253435233).
The spelling of 20223203031 in words is "twenty billion, two hundred twenty-three million, two hundred three thousand, thirty-one".
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