Base | Representation |
---|---|
bin | 100011110001001… |
… | …1001101011101001 |
3 | 10002122101111110121 |
4 | 1013202121223221 |
5 | 4424222403200 |
6 | 315032243241 |
7 | 41512351414 |
oct | 10742315351 |
9 | 3078344417 |
10 | 1200200425 |
11 | 566533386 |
12 | 295b40521 |
13 | 161864788 |
14 | b5582b7b |
15 | 70579e1a |
hex | 47899ae9 |
1200200425 has 24 divisors (see below), whose sum is σ = 1582211232. Its totient is φ = 900000000.
The previous prime is 1200200389. The next prime is 1200200447. The reversal of 1200200425 is 5240020021.
It is not a de Polignac number, because 1200200425 - 27 = 1200200297 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1200200399 and 1200200408.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101050 + ... + 112300.
It is an arithmetic number, because the mean of its divisors is an integer number (65925468).
Almost surely, 21200200425 is an apocalyptic number.
It is an amenable number.
1200200425 is a deficient number, since it is larger than the sum of its proper divisors (382010807).
1200200425 is a wasteful number, since it uses less digits than its factorization.
1200200425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11529 (or 11524 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 1200200425 is about 34643.9089162871. The cubic root of 1200200425 is about 1062.7177279291.
Adding to 1200200425 its reverse (5240020021), we get a palindrome (6440220446).
The spelling of 1200200425 in words is "one billion, two hundred million, two hundred thousand, four hundred twenty-five".
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