Base | Representation |
---|---|
bin | 1100111111100100100… |
… | …0101010011110100100 |
3 | 210100011210200220221002 |
4 | 3033321020222132210 |
5 | 12124130110130040 |
6 | 250314114212432 |
7 | 22061451204302 |
oct | 3177110523644 |
9 | 710153626832 |
10 | 223223130020 |
11 | 86739701540 |
12 | 37318b84118 |
13 | 180856a3627 |
14 | ab38493272 |
15 | 5c1715ba15 |
hex | 33f922a7a4 |
223223130020 has 24 divisors (see below), whose sum is σ = 511383898368. Its totient is φ = 81172047200.
The previous prime is 223223129989. The next prime is 223223130041. The reversal of 223223130020 is 20031322322.
It is a super-3 number, since 3×2232231300203 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 223223129974 and 223223130001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507325076 + ... + 507325515.
It is an arithmetic number, because the mean of its divisors is an integer number (21307662432).
Almost surely, 2223223130020 is an apocalyptic number.
223223130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
223223130020 is an abundant number, since it is smaller than the sum of its proper divisors (288160768348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223223130020 is a wasteful number, since it uses less digits than its factorization.
223223130020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014650611 (or 1014650609 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 223223130020 its reverse (20031322322), we get a palindrome (243254452342).
The spelling of 223223130020 in words is "two hundred twenty-three billion, two hundred twenty-three million, one hundred thirty thousand, twenty".
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