Base | Representation |
---|---|
bin | 110000000011101100… |
… | …0111110010010101101 |
3 | 100212101102000212122000 |
4 | 1200013120332102231 |
5 | 3142330004432341 |
6 | 115224430442513 |
7 | 10312320513330 |
oct | 1400730762255 |
9 | 325342025560 |
10 | 103203202221 |
11 | 3a84a576369 |
12 | 18002663439 |
13 | 996932c982 |
14 | 4dd0640617 |
15 | 2a4056b8b6 |
hex | 180763e4ad |
103203202221 has 32 divisors (see below), whose sum is σ = 176338694400. Its totient is φ = 58432207680.
The previous prime is 103203202199. The next prime is 103203202229. The reversal of 103203202221 is 122202302301.
103203202221 is a `hidden beast` number, since 1 + 0 + 320 + 320 + 2 + 2 + 21 = 666.
It is not a de Polignac number, because 103203202221 - 25 = 103203202189 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 103203202194 and 103203202203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103203202229) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2484210 + ... + 2525411.
It is an arithmetic number, because the mean of its divisors is an integer number (5510584200).
Almost surely, 2103203202221 is an apocalyptic number.
It is an amenable number.
103203202221 is a deficient number, since it is larger than the sum of its proper divisors (73135492179).
103203202221 is a wasteful number, since it uses less digits than its factorization.
103203202221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5009746 (or 5009740 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 103203202221 its reverse (122202302301), we get a palindrome (225405504522).
The spelling of 103203202221 in words is "one hundred three billion, two hundred three million, two hundred two thousand, two hundred twenty-one".
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