Base | Representation |
---|---|
bin | 101111100101111000… |
… | …1111001011111110100 |
3 | 100202210201011120201021 |
4 | 1133023301321133310 |
5 | 3133302443300340 |
6 | 114541303110524 |
7 | 10245455020651 |
oct | 1371361713764 |
9 | 322721146637 |
10 | 102203103220 |
11 | 3a386a95169 |
12 | 17983742444 |
13 | 983a08970a |
14 | 4d378a8c28 |
15 | 29d286ae4a |
hex | 17cbc797f4 |
102203103220 has 48 divisors (see below), whose sum is σ = 215329383360. Its totient is φ = 40747504896.
The previous prime is 102203103181. The next prime is 102203103227. The reversal of 102203103220 is 22301302201.
It is a junction number, because it is equal to n+sod(n) for n = 102203103194 and 102203103203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102203103227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15785904 + ... + 15792376.
It is an arithmetic number, because the mean of its divisors is an integer number (4486028820).
Almost surely, 2102203103220 is an apocalyptic number.
102203103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102203103220 is an abundant number, since it is smaller than the sum of its proper divisors (113126280140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102203103220 is a wasteful number, since it uses less digits than its factorization.
102203103220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8944 (or 8942 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 102203103220 its reverse (22301302201), we get a palindrome (124504405421).
The spelling of 102203103220 in words is "one hundred two billion, two hundred three million, one hundred three thousand, two hundred twenty".
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