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13784105044 = 2241296928309
BaseRepresentation
bin11001101011001100…
…01100000001010100
31022120122020002101001
430311212030001110
5211212212330134
610155441113044
7665403650113
oct146546140124
938518202331
1013784105044
11593384a156
122808328784
1313b897aa98
1494a957c7a
1555a1d9414
hex33598c054

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".

Divisors: 1 2 4 41 82 164 2969 5938 11876 28309 56618 113236 121729 243458 486916 1160669 2321338 4642676 84049421 168098842 336197684 3446026261 6892052522 13784105044