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1428107105214 = 232972842928771
BaseRepresentation
bin10100110010000001110…
…100010001001110111110
312001112012020110200100200
4110302001310101032332
5141344230404331324
63012021403304330
7205114553051136
oct24620164211676
95045166420320
101428107105214
11500725259469
121b093a21b0a6
13a4892a8548a
144d1994b9ac6
15272359d0ec9
hex14c81d113be

1428107105214 has 48 divisors (see below), whose sum is σ = 3126349983120. Its totient is φ = 471095170560.

The previous prime is 1428107105203. The next prime is 1428107105221. The reversal of 1428107105214 is 4125017018241.

1428107105214 is a `hidden beast` number, since 1 + 4 + 28 + 107 + 1 + 0 + 521 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49622649 + ... + 49651419.

It is an arithmetic number, because the mean of its divisors is an integer number (65132291315).

Almost surely, 21428107105214 is an apocalyptic number.

1428107105214 is an abundant number, since it is smaller than the sum of its proper divisors (1698242877906).

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

1428107105214 is a wasteful number, since it uses less digits than its factorization.

1428107105214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57305 (or 57302 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 1428107105214 in words is "one trillion, four hundred twenty-eight billion, one hundred seven million, one hundred five thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 28429 28771 56858 57542 85287 86313 170574 172626 255861 258939 511722 517878 2757613 2790787 5515226 5581574 8272839 8372361 16545678 16744722 24818517 25117083 49637034 50234166 817930759 1635861518 2453792277 4907584554 7361376831 14722753662 79339283623 158678567246 238017850869 476035701738 714053552607 1428107105214