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1428815942748 = 2232196073441371
BaseRepresentation
bin10100110010101100000…
…100010001010001011100
312001121000122021100122200
4110302230010101101130
5141402203340131443
63012220004211500
7205141251060645
oct24625404212134
95047018240580
101428815942748
11500a59394607
121b0ab7699b90
13a497689a27c
144d2256b46cc
1527277d4bdd3
hex14cac11145c

1428815942748 has 72 divisors (see below), whose sum is σ = 3808084600320. Its totient is φ = 450461567520.

The previous prime is 1428815942717. The next prime is 1428815942759. The reversal of 1428815942748 is 8472495188241.

1428815942748 is a `hidden beast` number, since 1 + 42 + 8 + 81 + 59 + 427 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1305498 + ... + 2135873.

Almost surely, 21428815942748 is an apocalyptic number.

1428815942748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1428815942748 is an abundant number, since it is smaller than the sum of its proper divisors (2379268657572).

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

1428815942748 is a wasteful number, since it uses less digits than its factorization.

1428815942748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442007 (or 3442002 counting only the distinct ones).

The product of its digits is 41287680, while the sum is 63.

The spelling of 1428815942748 in words is "one trillion, four hundred twenty-eight billion, eight hundred fifteen million, nine hundred forty-two thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 607 684 1214 1821 2428 3642 5463 7284 10926 11533 21852 23066 34599 46132 69198 103797 138396 207594 415188 3441371 6882742 10324113 13765484 20648226 30972339 41296452 61944678 65386049 123889356 130772098 196158147 261544196 392316294 588474441 784632588 1176948882 2088912197 2353897764 4177824394 6266736591 8355648788 12533473182 18800209773 25066946364 37600419546 39689331743 75200839092 79378663486 119067995229 158757326972 238135990458 357203985687 476271980916 714407971374 1428815942748