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378495256428 = 223231133806293
BaseRepresentation
bin1011000001000000001…
…00110100011101101100
31100011221222121012121200
411200200010310131230
522200124241201203
6445513414525500
736226315411422
oct5404004643554
91304858535550
10378495256428
11136578783253
1261431366890
13298cc2a02c3
1414468101112
159ca39e79a3
hex582013476c

378495256428 has 36 divisors (see below), whose sum is σ = 959828299248. Its totient is φ = 125759406240.

The previous prime is 378495256423. The next prime is 378495256429. The reversal of 378495256428 is 824652594873.

378495256428 is a `hidden beast` number, since 3 + 7 + 8 + 49 + 5 + 2 + 564 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (378495256421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16891951 + ... + 16914342.

Almost surely, 2378495256428 is an apocalyptic number.

It is an amenable number.

378495256428 is an abundant number, since it is smaller than the sum of its proper divisors (581333042820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378495256428 is a wasteful number, since it uses less digits than its factorization.

378495256428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33806614 (or 33806609 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 63.

The spelling of 378495256428 in words is "three hundred seventy-eight billion, four hundred ninety-five million, two hundred fifty-six thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 311 622 933 1244 1866 2799 3732 5598 11196 33806293 67612586 101418879 135225172 202837758 304256637 405675516 608513274 1217026548 10513757123 21027514246 31541271369 42055028492 63082542738 94623814107 126165085476 189247628214 378495256428