Base | Representation |
---|---|
bin | 10100110010101111011… |
… | …000011110111010010111 |
3 | 12001121011111221200012200 |
4 | 110302233120132322113 |
5 | 141402312110320033 |
6 | 3012225312415543 |
7 | 205142524655460 |
oct | 24625730367227 |
9 | 5047144850180 |
10 | 1428871573143 |
11 | 500a87830543 |
12 | 1b0b122475b3 |
13 | a4985277371 |
14 | 4d22cc35d67 |
15 | 2727cb8a013 |
hex | 14caf61ee97 |
1428871573143 has 24 divisors (see below), whose sum is σ = 2367740863488. Its totient is φ = 813393477072.
The previous prime is 1428871573141. The next prime is 1428871573189. The reversal of 1428871573143 is 3413751788241.
1428871573143 is a `hidden beast` number, since 1 + 4 + 28 + 8 + 7 + 1 + 573 + 1 + 43 = 666.
It is not a de Polignac number, because 1428871573143 - 21 = 1428871573141 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1428871573143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1428871573141) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43102255 + ... + 43135392.
It is an arithmetic number, because the mean of its divisors is an integer number (98655869312).
Almost surely, 21428871573143 is an apocalyptic number.
1428871573143 is a deficient number, since it is larger than the sum of its proper divisors (938869290345).
1428871573143 is a wasteful number, since it uses less digits than its factorization.
1428871573143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86237923 (or 86237920 counting only the distinct ones).
The product of its digits is 4515840, while the sum is 54.
The spelling of 1428871573143 in words is "one trillion, four hundred twenty-eight billion, eight hundred seventy-one million, five hundred seventy-three thousand, one hundred forty-three".
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