Base | Representation |
---|---|
bin | 1011011110001011100010… |
… | …0110010011101111000011 |
3 | 1122122210200002110121012202 |
4 | 2313202320212103233003 |
5 | 3123123132440443412 |
6 | 42454215433343415 |
7 | 2441160616542362 |
oct | 267427046235703 |
9 | 48583602417182 |
10 | 12613121031107 |
11 | 4023215aa9263 |
12 | 14b8610867b6b |
13 | 70654881710c |
14 | 31869a6d57d9 |
15 | 16d169b4b3c2 |
hex | b78b8993bc3 |
12613121031107 has 16 divisors (see below), whose sum is σ = 12644247096000. Its totient is φ = 12582048198144.
The previous prime is 12613121031103. The next prime is 12613121031109. The reversal of 12613121031107 is 70113012131621.
It is a cyclic number.
It is not a de Polignac number, because 12613121031107 - 22 = 12613121031103 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12613121031107.
It is not an unprimeable number, because it can be changed into a prime (12613121031103) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695684994 + ... + 2695689672.
It is an arithmetic number, because the mean of its divisors is an integer number (790265443500).
Almost surely, 212613121031107 is an apocalyptic number.
12613121031107 is a deficient number, since it is larger than the sum of its proper divisors (31126064893).
12613121031107 is a wasteful number, since it uses less digits than its factorization.
12613121031107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9070.
The product of its (nonzero) digits is 1512, while the sum is 29.
Adding to 12613121031107 its reverse (70113012131621), we get a palindrome (82726133162728).
The spelling of 12613121031107 in words is "twelve trillion, six hundred thirteen billion, one hundred twenty-one million, thirty-one thousand, one hundred seven".
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