Base | Representation |
---|---|
bin | 1011000110101110010010… |
… | …0001110011110000001101 |
3 | 1121020021111000212011122112 |
4 | 2301223210201303300031 |
5 | 3100022322031420323 |
6 | 41545131245153405 |
7 | 2400103301050622 |
oct | 261534441636015 |
9 | 47207430764575 |
10 | 12210131123213 |
11 | 3988318779901 |
12 | 14524a425b865 |
13 | 6a754491900a |
14 | 302d8b3d6349 |
15 | 162930a04178 |
hex | b1ae4873c0d |
12210131123213 has 48 divisors (see below), whose sum is σ = 12879689817600. Its totient is φ = 11572568236800.
The previous prime is 12210131123167. The next prime is 12210131123219. The reversal of 12210131123213 is 31232113101221.
It is a happy number.
It is not a de Polignac number, because 12210131123213 - 26 = 12210131123149 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 (12210131123219) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6825114323 + ... + 6825116111.
It is an arithmetic number, because the mean of its divisors is an integer number (268326871200).
Almost surely, 212210131123213 is an apocalyptic number.
It is an amenable number.
12210131123213 is a deficient number, since it is larger than the sum of its proper divisors (669558694387).
12210131123213 is a wasteful number, since it uses less digits than its factorization.
12210131123213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2554 (or 2523 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 12210131123213 its reverse (31232113101221), we get a palindrome (43442244224434).
The spelling of 12210131123213 in words is "twelve trillion, two hundred ten billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirteen".
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