Base | Representation |
---|---|
bin | 1011111011111011001010… |
… | …1101101010010010110100 |
3 | 1201110122122201120201221000 |
4 | 2332332302231222102310 |
5 | 3210011201042402234 |
6 | 43525050011523300 |
7 | 2523121004205234 |
oct | 276766255522264 |
9 | 51418581521830 |
10 | 13124123403444 |
11 | 41aaa00574959 |
12 | 157b662459530 |
13 | 7427a4210281 |
14 | 3352d4c45cc4 |
15 | 17b5c663b899 |
hex | befb2b6a4b4 |
13124123403444 has 24 divisors (see below), whose sum is σ = 34025505120320. Its totient is φ = 4374707801112.
The previous prime is 13124123403431. The next prime is 13124123403463. The reversal of 13124123403444 is 44430432142131.
13124123403444 is a `hidden beast` number, since 1 + 3 + 1 + 241 + 2 + 3 + 403 + 4 + 4 + 4 = 666.
It is a super-2 number, since 2×131241234034442 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 13124123403399 and 13124123403408.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60759830464 + ... + 60759830679.
Almost surely, 213124123403444 is an apocalyptic number.
It is an amenable number.
13124123403444 is an abundant number, since it is smaller than the sum of its proper divisors (20901381716876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13124123403444 is a wasteful number, since it uses less digits than its factorization.
13124123403444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121519661156 (or 121519661148 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 36.
Adding to 13124123403444 its reverse (44430432142131), we get a palindrome (57554555545575).
The spelling of 13124123403444 in words is "thirteen trillion, one hundred twenty-four billion, one hundred twenty-three million, four hundred three thousand, four hundred forty-four".
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