Base | Representation |
---|---|
bin | 10110100110000010… |
… | …01100101010111100 |
3 | 1011022101012002201001 |
4 | 23103001030222330 |
5 | 144320320204322 |
6 | 5323401100044 |
7 | 606412230505 |
oct | 132301145274 |
9 | 34271162631 |
10 | 12130241212 |
11 | 5165228841 |
12 | 2426487624 |
13 | 11b413602b |
14 | 831041bac |
15 | 4aedea827 |
hex | 2d304cabc |
12130241212 has 24 divisors (see below), whose sum is σ = 22350157200. Its totient is φ = 5744624256.
The previous prime is 12130241161. The next prime is 12130241213. The reversal of 12130241212 is 21214203121.
It is a super-2 number, since 2×121302412122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 12130241212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130241213) 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, 385614 + ... + 415882.
It is an arithmetic number, because the mean of its divisors is an integer number (931256550).
Almost surely, 212130241212 is an apocalyptic number.
It is an amenable number.
12130241212 is a deficient number, since it is larger than the sum of its proper divisors (10219915988).
12130241212 is a wasteful number, since it uses less digits than its factorization.
12130241212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35565 (or 35563 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 12130241212 its reverse (21214203121), we get a palindrome (33344444333).
The spelling of 12130241212 in words is "twelve billion, one hundred thirty million, two hundred forty-one thousand, two hundred twelve".
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