Base | Representation |
---|---|
bin | 1011110100111110111… |
… | …1001001001100100100 |
3 | 201102111102221120201102 |
4 | 2331033233021030210 |
5 | 11312124003041122 |
6 | 233203243215232 |
7 | 20452341612020 |
oct | 2751757111444 |
9 | 642442846642 |
10 | 203201221412 |
11 | 791a4879232 |
12 | 3346b817518 |
13 | 162145c7927 |
14 | 9b99307380 |
15 | 5444514492 |
hex | 2f4fbc9324 |
203201221412 has 12 divisors (see below), whose sum is σ = 406402442880. Its totient is φ = 87086237736.
The previous prime is 203201221397. The next prime is 203201221429. The reversal of 203201221412 is 214122102302.
203201221412 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3628593212 + ... + 3628593267.
It is an arithmetic number, because the mean of its divisors is an integer number (33866870240).
Almost surely, 2203201221412 is an apocalyptic number.
It is an amenable number.
203201221412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203201221412 is a wasteful number, since it uses less digits than its factorization.
203201221412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7257186490 (or 7257186488 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 203201221412 its reverse (214122102302), we get a palindrome (417323323714).
The spelling of 203201221412 in words is "two hundred three billion, two hundred one million, two hundred twenty-one thousand, four hundred twelve".
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