Base | Representation |
---|---|
bin | 110000000100001111… |
… | …0000110000111101100 |
3 | 100212102200010110121002 |
4 | 1200020132012013230 |
5 | 3142344124302340 |
6 | 115230315055432 |
7 | 10312630522322 |
oct | 1401036060754 |
9 | 325380113532 |
10 | 103221322220 |
11 | 3a859822175 |
12 | 18008741578 |
13 | 9970005473 |
14 | 4dd2bd9d12 |
15 | 2a41e4a715 |
hex | 18087861ec |
103221322220 has 24 divisors (see below), whose sum is σ = 216779389344. Its totient is φ = 41285745536.
The previous prime is 103221322213. The next prime is 103221322223. The reversal of 103221322220 is 22223122301.
It is a happy number.
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 = 103221322192 and 103221322201.
It is not an unprimeable number, because it can be changed into a prime (103221322223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144344 + ... + 476736.
It is an arithmetic number, because the mean of its divisors is an integer number (9032474556).
Almost surely, 2103221322220 is an apocalyptic number.
103221322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103221322220 is an abundant number, since it is smaller than the sum of its proper divisors (113558067124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103221322220 is a wasteful number, since it uses less digits than its factorization.
103221322220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347929 (or 347927 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 103221322220 its reverse (22223122301), we get a palindrome (125444444521).
The spelling of 103221322220 in words is "one hundred three billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred twenty".
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