Base | Representation |
---|---|
bin | 111110010010111… |
… | …010000001111110 |
3 | 2200211121210121010 |
4 | 332102322001332 |
5 | 4120024044203 |
6 | 251413020050 |
7 | 34620401055 |
oct | 7622720176 |
9 | 2624553533 |
10 | 1045143678 |
11 | 496a57a07 |
12 | 252024626 |
13 | 1386b5017 |
14 | 9cb3d39c |
15 | 61b4c303 |
hex | 3e4ba07e |
1045143678 has 32 divisors (see below), whose sum is σ = 2221689600. Its totient is φ = 326837376.
The previous prime is 1045143661. The next prime is 1045143679. The reversal of 1045143678 is 8763415401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1045143679) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32763 + ... + 56246.
It is an arithmetic number, because the mean of its divisors is an integer number (69427800).
Almost surely, 21045143678 is an apocalyptic number.
1045143678 is an abundant number, since it is smaller than the sum of its proper divisors (1176545922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1045143678 is a wasteful number, since it uses less digits than its factorization.
1045143678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89136.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 1045143678 is about 32328.6819712775. The cubic root of 1045143678 is about 1014.8269671955.
The spelling of 1045143678 in words is "one billion, forty-five million, one hundred forty-three thousand, six hundred seventy-eight".
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