Base | Representation |
---|---|
bin | 10011000001011001… |
… | …00010010001000100 |
3 | 222100201002122000012 |
4 | 21200230202101010 |
5 | 131403312101040 |
6 | 4405203205352 |
7 | 511032312020 |
oct | 114054422104 |
9 | 28321078005 |
10 | 10212222020 |
11 | 4370595610 |
12 | 1b90076858 |
13 | c69963830 |
14 | 6cc407380 |
15 | 3eb82d865 |
hex | 260b22444 |
10212222020 has 96 divisors (see below), whose sum is σ = 28794237696. Its totient is φ = 2938176000.
The previous prime is 10212222017. The next prime is 10212222029. The reversal of 10212222020 is 2022221201.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 10212221986 and 10212222004.
It is not an unprimeable number, because it can be changed into a prime (10212222029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235031 + ... + 275070.
It is an arithmetic number, because the mean of its divisors is an integer number (299939976).
Almost surely, 210212222020 is an apocalyptic number.
10212222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10212222020 is an abundant number, since it is smaller than the sum of its proper divisors (18582015676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10212222020 is a wasteful number, since it uses less digits than its factorization.
10212222020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 510141 (or 510139 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 10212222020 its reverse (2022221201), we get a palindrome (12234443221).
It can be divided in two parts, 10212 and 222020, that added together give a palindrome (232232).
The spelling of 10212222020 in words is "ten billion, two hundred twelve million, two hundred twenty-two thousand, twenty".
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