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1428605847740 = 2251930891217057
BaseRepresentation
bin10100110010011111100…
…010110100100010111100
312001120110222221102111002
4110302133202310202330
5141401241044111430
63012143101145432
7205133120230031
oct24623742644274
95046428842432
101428605847740
11500960837075
121b0a5925b278
13a49421ba0b6
144d205825388
152726469b845
hex14c9f8b48bc

1428605847740 has 48 divisors (see below), whose sum is σ = 3158995744800. Its totient is φ = 541190725632.

The previous prime is 1428605847737. The next prime is 1428605847749. The reversal of 1428605847740 is 477485068241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428605847749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565292 + ... + 1782348.

It is an arithmetic number, because the mean of its divisors is an integer number (65812411350).

Almost surely, 21428605847740 is an apocalyptic number.

1428605847740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428605847740 is an abundant number, since it is smaller than the sum of its proper divisors (1730389897060).

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

1428605847740 is a wasteful number, since it uses less digits than its factorization.

1428605847740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220174 (or 1220172 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 1428605847740 in words is "one trillion, four hundred twenty-eight billion, six hundred five million, eight hundred forty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 3089 6178 12356 15445 30890 58691 61780 117382 234764 293455 586910 1173820 1217057 2434114 4868228 6085285 12170570 23124083 24341140 46248166 92496332 115620415 231240830 462481660 3759489073 7518978146 15037956292 18797445365 37594890730 71430292387 75189781460 142860584774 285721169548 357151461935 714302923870 1428605847740