Base | Representation |
---|---|
bin | 101101001001111111110… |
… | …010011111101101010101 |
3 | 101222122200002112211000110 |
4 | 231021333302133231111 |
5 | 401320132221044341 |
6 | 10333314343433233 |
7 | 440122652416455 |
oct | 55117762375525 |
9 | 11878602484013 |
10 | 3103110331221 |
11 | a9702697a74a |
12 | 4214a1455819 |
13 | 196811843c04 |
14 | aa29707dd65 |
15 | 55abba68216 |
hex | 2d27fc9fb55 |
3103110331221 has 8 divisors (see below), whose sum is σ = 4137718447840. Its totient is φ = 2068621217712.
The previous prime is 3103110331171. The next prime is 3103110331253. The reversal of 3103110331221 is 1221330113013.
It is a happy number.
3103110331221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3103110331221 - 26 = 3103110331157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3103110331261) 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, 29689915 + ... + 29794248.
It is an arithmetic number, because the mean of its divisors is an integer number (517214805980).
Almost surely, 23103110331221 is an apocalyptic number.
It is an amenable number.
3103110331221 is a deficient number, since it is larger than the sum of its proper divisors (1034608116619).
3103110331221 is a wasteful number, since it uses less digits than its factorization.
3103110331221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59501555.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 3103110331221 its reverse (1221330113013), we get a palindrome (4324440444234).
The spelling of 3103110331221 in words is "three trillion, one hundred three billion, one hundred ten million, three hundred thirty-one thousand, two hundred twenty-one".
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