Base | Representation |
---|---|
bin | 11001001101111010… |
… | …00111000111101101 |
3 | 1021221111222211021222 |
4 | 30212331013013231 |
5 | 210211321043140 |
6 | 10115224033125 |
7 | 656331656222 |
oct | 144675070755 |
9 | 37844884258 |
10 | 13538456045 |
11 | 5818118454 |
12 | 275a0027a5 |
13 | 1379acc94a |
14 | 926091949 |
15 | 5438645b5 |
hex | 326f471ed |
13538456045 has 16 divisors (see below), whose sum is σ = 17029438272. Its totient is φ = 10320858240.
The previous prime is 13538456021. The next prime is 13538456111. The reversal of 13538456045 is 54065483531.
It is a happy number.
It is not a de Polignac number, because 13538456045 - 218 = 13538193901 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13538455987 and 13538456005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 759107 + ... + 776736.
It is an arithmetic number, because the mean of its divisors is an integer number (1064339892).
Almost surely, 213538456045 is an apocalyptic number.
It is an amenable number.
13538456045 is a deficient number, since it is larger than the sum of its proper divisors (3490982227).
13538456045 is a wasteful number, since it uses less digits than its factorization.
13538456045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1535932.
The product of its (nonzero) digits is 864000, while the sum is 44.
The spelling of 13538456045 in words is "thirteen billion, five hundred thirty-eight million, four hundred fifty-six thousand, forty-five".
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