Base | Representation |
---|---|
bin | 100010000100001… |
… | …1111110100011000 |
3 | 2221122220101110110 |
4 | 1010020133310120 |
5 | 4320112000133 |
6 | 305232044320 |
7 | 40220001261 |
oct | 10410376430 |
9 | 2848811413 |
10 | 1143078168 |
11 | 537268601 |
12 | 27a9936a0 |
13 | 152a8461b |
14 | abb53968 |
15 | 6a544c63 |
hex | 4421fd18 |
1143078168 has 64 divisors (see below), whose sum is σ = 2892088800. Its totient is φ = 376463360.
The previous prime is 1143078163. The next prime is 1143078187. The reversal of 1143078168 is 8618703411.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1143078163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412548 + ... + 1413356.
Almost surely, 21143078168 is an apocalyptic number.
It is an amenable number.
1143078168 is an abundant number, since it is smaller than the sum of its proper divisors (1749010632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1143078168 is a wasteful number, since it uses less digits than its factorization.
1143078168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1452 (or 1448 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 39.
The square root of 1143078168 is about 33809.4390370500. The cubic root of 1143078168 is about 1045.5833126855.
It can be divided in two parts, 11430 and 78168, that added together give a palindrome (89598).
The spelling of 1143078168 in words is "one billion, one hundred forty-three million, seventy-eight thousand, one hundred sixty-eight".
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