Base | Representation |
---|---|
bin | 111100011101101… |
… | …1010010011001111 |
3 | 12020101121202110112 |
4 | 1320323122103033 |
5 | 13123340341033 |
6 | 533153030235 |
7 | 101163566561 |
oct | 17073322317 |
9 | 5211552415 |
10 | 2028840143 |
11 | 9512556a0 |
12 | 48755537b |
13 | 264434435 |
14 | 153645331 |
15 | bd1acc48 |
hex | 78eda4cf |
2028840143 has 8 divisors (see below), whose sum is σ = 2309510016. Its totient is φ = 1764208600.
The previous prime is 2028840109. The next prime is 2028840179. The reversal of 2028840143 is 3410488202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2028840143 - 28 = 2028839887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2028840643) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 4009313 + ... + 4009818.
It is an arithmetic number, because the mean of its divisors is an integer number (288688752).
Almost surely, 22028840143 is an apocalyptic number.
2028840143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
2028840143 is a deficient number, since it is larger than the sum of its proper divisors (280669873).
2028840143 is a wasteful number, since it uses less digits than its factorization.
2028840143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8019165.
The product of its (nonzero) digits is 12288, while the sum is 32.
The square root of 2028840143 is about 45042.6480460463. The cubic root of 2028840143 is about 1265.9482218582.
The spelling of 2028840143 in words is "two billion, twenty-eight million, eight hundred forty thousand, one hundred forty-three".
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