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1428811999480 = 235103346799029
BaseRepresentation
bin10100110010101011110…
…101001110100011111000
312001121000100212000111201
4110302223311032203320
5141402201332440410
63012215343503544
7205141202415355
oct24625365164370
95047010760451
101428811999480
11500a57140a08
121b0ab62b7bb4
13a4975b19488
144d224d6962c
152727781d83a
hex14cabd4e8f8

1428811999480 has 32 divisors (see below), whose sum is σ = 3246038920800. Its totient is φ = 565976013696.

The previous prime is 1428811999427. The next prime is 1428811999501. The reversal of 1428811999480 is 849991188241.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173395395 + ... + 173403634.

It is an arithmetic number, because the mean of its divisors is an integer number (101438716275).

Almost surely, 21428811999480 is an apocalyptic number.

1428811999480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428811999480 is an abundant number, since it is smaller than the sum of its proper divisors (1817226921320).

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

1428811999480 is a wasteful number, since it uses less digits than its factorization.

1428811999480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346799143 (or 346799139 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 64.

The spelling of 1428811999480 in words is "one trillion, four hundred twenty-eight billion, eight hundred eleven million, nine hundred ninety-nine thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 103 206 412 515 824 1030 2060 4120 346799029 693598058 1387196116 1733995145 2774392232 3467990290 6935980580 13871961160 35720299987 71440599974 142881199948 178601499935 285762399896 357202999870 714405999740 1428811999480