Base | Representation |
---|---|
bin | 101101011010110110101… |
… | …000111100001010100100 |
3 | 102001101101112002201202201 |
4 | 231122312220330022210 |
5 | 402114214333124104 |
6 | 10345510403544244 |
7 | 441333335006065 |
oct | 55326650741244 |
9 | 12041345081681 |
10 | 3121210442404 |
11 | aa3774a1a11a |
12 | 424ab308b084 |
13 | 198437726782 |
14 | ab0d2cca56c |
15 | 562caae90a4 |
hex | 2d6b6a3c2a4 |
3121210442404 has 12 divisors (see below), whose sum is σ = 5462134291404. Its totient is φ = 1560600644864.
The previous prime is 3121210442353. The next prime is 3121210442411. The reversal of 3121210442404 is 4042440121213.
3121210442404 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 2 ways, for example, as 2312376422500 + 808834019904 = 1520650^2 + 899352^2 .
It is a super-3 number, since 3×31212104424043 (a number of 38 digits) contains 333 as substring.
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, 732492 + ... + 2603644.
It is an arithmetic number, because the mean of its divisors is an integer number (455177857617).
Almost surely, 23121210442404 is an apocalyptic number.
It is an amenable number.
3121210442404 is a deficient number, since it is larger than the sum of its proper divisors (2340923849000).
3121210442404 is a wasteful number, since it uses less digits than its factorization.
3121210442404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2288174 (or 2288172 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 28.
Adding to 3121210442404 its reverse (4042440121213), we get a palindrome (7163650563617).
The spelling of 3121210442404 in words is "three trillion, one hundred twenty-one billion, two hundred ten million, four hundred forty-two thousand, four hundred four".
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