Base | Representation |
---|---|
bin | 100110101100000… |
… | …0001011110100111 |
3 | 10100110200111121200 |
4 | 1031120001132213 |
5 | 10124311040033 |
6 | 332451413543 |
7 | 44112014613 |
oct | 11530013647 |
9 | 3313614550 |
10 | 1298143143 |
11 | 60684a180 |
12 | 3028b42b3 |
13 | 178c37a4b |
14 | c459a343 |
15 | 78e75013 |
hex | 4d6017a7 |
1298143143 has 24 divisors (see below), whose sum is σ = 2066662416. Its totient is φ = 778636800.
The previous prime is 1298143129. The next prime is 1298143163. The reversal of 1298143143 is 3413418921.
It is not a de Polignac number, because 1298143143 - 25 = 1298143111 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1298143098 and 1298143107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1298143163) 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, 57988 + ... + 77193.
It is an arithmetic number, because the mean of its divisors is an integer number (86110934).
Almost surely, 21298143143 is an apocalyptic number.
1298143143 is a deficient number, since it is larger than the sum of its proper divisors (768519273).
1298143143 is a wasteful number, since it uses less digits than its factorization.
1298143143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135295 (or 135292 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 1298143143 is about 36029.7535795070. The cubic root of 1298143143 is about 1090.8730045582.
It can be divided in two parts, 1298 and 143143, that added together give a palindrome (144441).
The spelling of 1298143143 in words is "one billion, two hundred ninety-eight million, one hundred forty-three thousand, one hundred forty-three".
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