Base | Representation |
---|---|
bin | 10110110011001001… |
… | …01101010010001010 |
3 | 1011121001010020211001 |
4 | 23121210231102022 |
5 | 200031443310010 |
6 | 5342330125214 |
7 | 612216044365 |
oct | 133144552212 |
9 | 34531106731 |
10 | 12240213130 |
11 | 5211310322 |
12 | 245728080a |
13 | 1200b5b682 |
14 | 8418ab0dc |
15 | 4b98bec3a |
hex | 2d992d48a |
12240213130 has 16 divisors (see below), whose sum is σ = 22075678440. Its totient is φ = 4886464192.
The previous prime is 12240213043. The next prime is 12240213131. The reversal of 12240213130 is 3131204221.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 12235235769 + 4977361 = 110613^2 + 2231^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12240213098 and 12240213107.
It is not an unprimeable number, because it can be changed into a prime (12240213131) 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, 1197289 + ... + 1207468.
Almost surely, 212240213130 is an apocalyptic number.
12240213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12240213130 is a deficient number, since it is larger than the sum of its proper divisors (9835465310).
12240213130 is a wasteful number, since it uses less digits than its factorization.
12240213130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2405273.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 12240213130 its reverse (3131204221), we get a palindrome (15371417351).
The spelling of 12240213130 in words is "twelve billion, two hundred forty million, two hundred thirteen thousand, one hundred thirty".
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