Base | Representation |
---|---|
bin | 10110100110000010… |
… | …00101001000000111 |
3 | 1011022101010112022120 |
4 | 23103001011020013 |
5 | 144320313212221 |
6 | 5323400301023 |
7 | 606412041432 |
oct | 132301051007 |
9 | 34271115276 |
10 | 12130210311 |
11 | 51652075aa |
12 | 2426471773 |
13 | 11b4124c4b |
14 | 831034819 |
15 | 4aede15c6 |
hex | 2d3045207 |
12130210311 has 8 divisors (see below), whose sum is σ = 17125002864. Its totient is φ = 7611112320.
The previous prime is 12130210241. The next prime is 12130210331. The reversal of 12130210311 is 11301203121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12130210311 - 227 = 11995992583 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130210331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118923580 + ... + 118923681.
It is an arithmetic number, because the mean of its divisors is an integer number (2140625358).
Almost surely, 212130210311 is an apocalyptic number.
12130210311 is a deficient number, since it is larger than the sum of its proper divisors (4994792553).
12130210311 is a wasteful number, since it uses less digits than its factorization.
12130210311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237847281.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 12130210311 its reverse (11301203121), we get a palindrome (23431413432).
The spelling of 12130210311 in words is "twelve billion, one hundred thirty million, two hundred ten thousand, three hundred eleven".
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