Base | Representation |
---|---|
bin | 10010110101001101… |
… | …101001110100001111 |
3 | 1221012011201202012110 |
4 | 102311031221310033 |
5 | 312402322440211 |
6 | 13142231235103 |
7 | 1314034136043 |
oct | 226515516417 |
9 | 57164652173 |
10 | 20220124431 |
11 | 8636807841 |
12 | 3b03818a93 |
13 | 1ba3189b90 |
14 | d9b626023 |
15 | 7d524cea6 |
hex | 4b5369d0f |
20220124431 has 32 divisors (see below), whose sum is σ = 29548834560. Its totient is φ = 12224208384.
The previous prime is 20220124429. The next prime is 20220124453. The reversal of 20220124431 is 13442102202.
It is not a de Polignac number, because 20220124431 - 21 = 20220124429 is a prime.
It is a super-2 number, since 2×202201244312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20220124398 and 20220124407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20220124471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561975 + ... + 596871.
It is an arithmetic number, because the mean of its divisors is an integer number (923401080).
Almost surely, 220220124431 is an apocalyptic number.
20220124431 is a deficient number, since it is larger than the sum of its proper divisors (9328710129).
20220124431 is a wasteful number, since it uses less digits than its factorization.
20220124431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35175.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 20220124431 its reverse (13442102202), we get a palindrome (33662226633).
The spelling of 20220124431 in words is "twenty billion, two hundred twenty million, one hundred twenty-four thousand, four hundred thirty-one".
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