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1428348824442 = 232194176458551
BaseRepresentation
bin10100110010010000001…
…110010110101101111010
312001112211002022021210200
4110302100032112231322
5141400224244340232
63012101400223030
7205123546454001
oct24622016265572
95045732267720
101428348824442
11500839746721
121b09a716aa76
13a4900b889c7
144d1bd63bc38
152724bd2b77c
hex14c90396b7a

1428348824442 has 24 divisors (see below), whose sum is σ = 3257637670560. Its totient is φ = 451057523400.

The previous prime is 1428348824359. The next prime is 1428348824443. The reversal of 1428348824442 is 2444288438241.

1428348824442 is a `hidden beast` number, since 1 + 4 + 2 + 83 + 48 + 82 + 4 + 442 = 666.

It is a super-2 number, since 2×14283488244422 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1428348824443) 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, 2088228934 + ... + 2088229617.

It is an arithmetic number, because the mean of its divisors is an integer number (135734902940).

Almost surely, 21428348824442 is an apocalyptic number.

1428348824442 is an abundant number, since it is smaller than the sum of its proper divisors (1829288846118).

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

1428348824442 is a wasteful number, since it uses less digits than its factorization.

1428348824442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176458578 (or 4176458575 counting only the distinct ones).

The product of its digits is 12582912, while the sum is 54.

The spelling of 1428348824442 in words is "one trillion, four hundred twenty-eight billion, three hundred forty-eight million, eight hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 4176458551 8352917102 12529375653 25058751306 37588126959 75176253918 79352712469 158705424938 238058137407 476116274814 714174412221 1428348824442