Base | Representation |
---|---|
bin | 1011111011111100010100… |
… | …0011000101111001010101 |
3 | 1201110200110011101211201202 |
4 | 2332333011003011321111 |
5 | 3210012313314331123 |
6 | 43525140321002245 |
7 | 2523131430632411 |
oct | 276770503057125 |
9 | 51420404354652 |
10 | 13124431011413 |
11 | 4200049175317 |
12 | 157b729483385 |
13 | 742822b72c17 |
14 | 335323a39d41 |
15 | 17b5e364ea28 |
hex | befc50c5e55 |
13124431011413 has 4 divisors (see below), whose sum is σ = 13124531833248. Its totient is φ = 13124330189580.
The previous prime is 13124431011343. The next prime is 13124431011437. The reversal of 13124431011413 is 31411013442131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13124431011413 - 220 = 13124429962837 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13124431011473) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50215403 + ... + 50476088.
It is an arithmetic number, because the mean of its divisors is an integer number (3281132958312).
Almost surely, 213124431011413 is an apocalyptic number.
It is an amenable number.
13124431011413 is a deficient number, since it is larger than the sum of its proper divisors (100821835).
13124431011413 is a wasteful number, since it uses less digits than its factorization.
13124431011413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 100821834.
The product of its (nonzero) digits is 3456, while the sum is 29.
Adding to 13124431011413 its reverse (31411013442131), we get a palindrome (44535444453544).
The spelling of 13124431011413 in words is "thirteen trillion, one hundred twenty-four billion, four hundred thirty-one million, eleven thousand, four hundred thirteen".
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