Base | Representation |
---|---|
bin | 10110100011110001… |
… | …00110011010010010 |
3 | 1011021001101012222011 |
4 | 23101320212122102 |
5 | 144300432211010 |
6 | 5321441133134 |
7 | 606061405345 |
oct | 132170463222 |
9 | 34231335864 |
10 | 12111210130 |
11 | 515550a478 |
12 | 242002a1aa |
13 | 11b0201936 |
14 | 82c6ca45c |
15 | 4ad3dba8a |
hex | 2d1e26692 |
12111210130 has 8 divisors (see below), whose sum is σ = 21800178252. Its totient is φ = 4844484048.
The previous prime is 12111210121. The next prime is 12111210149. The reversal of 12111210130 is 3101211121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11798521641 + 312688489 = 108621^2 + 17683^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 12111210130.
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, 605560497 + ... + 605560516.
Almost surely, 212111210130 is an apocalyptic number.
12111210130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12111210130 is a deficient number, since it is larger than the sum of its proper divisors (9688968122).
12111210130 is a wasteful number, since it uses less digits than its factorization.
12111210130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1211121020.
The product of its (nonzero) digits is 12, while the sum is 13.
Adding to 12111210130 its reverse (3101211121), we get a palindrome (15212421251).
Subtracting from 12111210130 its reverse (3101211121), we obtain a palindrome (9009999009).
The spelling of 12111210130 in words is "twelve billion, one hundred eleven million, two hundred ten thousand, one hundred thirty".
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