Base | Representation |
---|---|
bin | 101101001000111110010… |
… | …101001010010001101101 |
3 | 101222112211120002000111001 |
4 | 231020332111022101231 |
5 | 401310410100402341 |
6 | 10333013353200301 |
7 | 440053515663115 |
oct | 55107625122155 |
9 | 11875746060431 |
10 | 3102012122221 |
11 | a96612a79001 |
12 | 421235700091 |
13 | 19669816c4bc |
14 | aa1d128a045 |
15 | 55a55437d31 |
hex | 2d23e54a46d |
3102012122221 has 8 divisors (see below), whose sum is σ = 3245033993400. Its totient is φ = 2961393980160.
The previous prime is 3102012122191. The next prime is 3102012122273. The reversal of 3102012122221 is 1222212102013.
3102012122221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 516393146025 + 2585618976196 = 718605^2 + 1607986^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3102012122221 - 215 = 3102012089453 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 (3102012125221) 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, 600929640 + ... + 600934801.
It is an arithmetic number, because the mean of its divisors is an integer number (405629249175).
Almost surely, 23102012122221 is an apocalyptic number.
It is an amenable number.
3102012122221 is a deficient number, since it is larger than the sum of its proper divisors (143021871179).
3102012122221 is a wasteful number, since it uses less digits than its factorization.
3102012122221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1201864559.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 3102012122221 its reverse (1222212102013), we get a palindrome (4324224224234).
The spelling of 3102012122221 in words is "three trillion, one hundred two billion, twelve million, one hundred twenty-two thousand, two hundred twenty-one".
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