Base | Representation |
---|---|
bin | 1011000111010110110011… |
… | …1110001111100100001101 |
3 | 1121021022120012210012102211 |
4 | 2301311230332033210031 |
5 | 3100212112103310013 |
6 | 41554130553550421 |
7 | 2400640011562141 |
oct | 261655476174415 |
9 | 47238505705384 |
10 | 12221010213133 |
11 | 39919a0734107 |
12 | 145461b715411 |
13 | 6a858978b427 |
14 | 3037001d1221 |
15 | 162d6ab5d23d |
hex | b1d6cf8f90d |
12221010213133 has 16 divisors (see below), whose sum is σ = 12484768561200. Its totient is φ = 11958486292480.
The previous prime is 12221010213089. The next prime is 12221010213143. The reversal of 12221010213133 is 33131201012221.
It can be written as a sum of positive squares in 8 ways, for example, as 131738509764 + 12089271703369 = 362958^2 + 3476963^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12221010213133 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 (12221010213143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300183783 + ... + 300224491.
It is an arithmetic number, because the mean of its divisors is an integer number (780298035075).
Almost surely, 212221010213133 is an apocalyptic number.
It is an amenable number.
12221010213133 is a deficient number, since it is larger than the sum of its proper divisors (263758348067).
12221010213133 is a wasteful number, since it uses less digits than its factorization.
12221010213133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55712.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 12221010213133 its reverse (33131201012221), we get a palindrome (45352211225354).
The spelling of 12221010213133 in words is "twelve trillion, two hundred twenty-one billion, ten million, two hundred thirteen thousand, one hundred thirty-three".
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