Base | Representation |
---|---|
bin | 11001101011001100… |
… | …01100000001010100 |
3 | 1022120122020002101001 |
4 | 30311212030001110 |
5 | 211212212330134 |
6 | 10155441113044 |
7 | 665403650113 |
oct | 146546140124 |
9 | 38518202331 |
10 | 13784105044 |
11 | 593384a156 |
12 | 2808328784 |
13 | 13b897aa98 |
14 | 94a957c7a |
15 | 55a1d9414 |
hex | 33598c054 |
13784105044 has 24 divisors (see below), whose sum is σ = 24719725800. Its totient is φ = 6721451520.
The previous prime is 13784105033. The next prime is 13784105099. The reversal of 13784105044 is 44050148731.
It can be written as a sum of positive squares in 4 ways, for example, as 1048982544 + 12735122500 = 32388^2 + 112850^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13784104994 and 13784105012.
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, 472762 + ... + 501070.
It is an arithmetic number, because the mean of its divisors is an integer number (1029988575).
Almost surely, 213784105044 is an apocalyptic number.
It is an amenable number.
13784105044 is a deficient number, since it is larger than the sum of its proper divisors (10935620756).
13784105044 is a wasteful number, since it uses less digits than its factorization.
13784105044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31323 (or 31321 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 37.
It can be divided in two parts, 13784 and 105044, that added together give a triangular number (118828 = T487).
The spelling of 13784105044 in words is "thirteen billion, seven hundred eighty-four million, one hundred five thousand, forty-four".
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