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378853381711 = 7192647231719
BaseRepresentation
bin1011000001101010110…
…10111101011001001111
31100012212221110212011001
411200311122331121033
522201342431203321
6450013130441131
736241224416440
oct5406532753117
91305787425131
10378853381711
11136741948062
12615112931a7
132995853c95c
141449d8c52c7
159cc5188c91
hex58356bd64f

378853381711 has 24 divisors (see below), whose sum is σ = 457671098880. Its totient is φ = 307163527056.

The previous prime is 378853381693. The next prime is 378853381717. The reversal of 378853381711 is 117183358873.

It is not a de Polignac number, because 378853381711 - 25 = 378853381679 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 (378853381717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1519110 + ... + 1750828.

It is an arithmetic number, because the mean of its divisors is an integer number (19069629120).

Almost surely, 2378853381711 is an apocalyptic number.

378853381711 is a deficient number, since it is larger than the sum of its proper divisors (78817717169).

378853381711 is a wasteful number, since it uses less digits than its factorization.

378853381711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232411 (or 232392 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The spelling of 378853381711 in words is "three hundred seventy-eight billion, eight hundred fifty-three million, three hundred eighty-one thousand, seven hundred eleven".

Divisors: 1 7 19 133 361 647 2527 4529 12293 86051 231719 233567 1622033 1634969 4402661 30818627 83650559 149922193 585553913 1049455351 2848521667 19939651669 54121911673 378853381711