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378297254428 = 22194977595453
BaseRepresentation
bin1011000000101000100…
…01100000001000011100
31100011110012000122221021
411200110101200020130
522144223044120203
6445442023013524
736221362415212
oct5402421401034
91304405018837
10378297254428
11136486a35435
1261396b9a2a4
132989a265562
1414449abccb2
159c914355bd
hex581446021c

378297254428 has 12 divisors (see below), whose sum is σ = 696863363560. Its totient is φ = 179193436272.

The previous prime is 378297254383. The next prime is 378297254443. The reversal of 378297254428 is 824452792873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488797651 + ... + 2488797802.

Almost surely, 2378297254428 is an apocalyptic number.

378297254428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

378297254428 is a deficient number, since it is larger than the sum of its proper divisors (318566109132).

378297254428 is a wasteful number, since it uses less digits than its factorization.

378297254428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977595476 (or 4977595474 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 61.

The spelling of 378297254428 in words is "three hundred seventy-eight billion, two hundred ninety-seven million, two hundred fifty-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 19 38 76 4977595453 9955190906 19910381812 94574313607 189148627214 378297254428