| Base | Representation |
|---|---|
| bin | 111111111000000… |
| … | …1101001100101000 |
| 3 | 12112101002010101220 |
| 4 | 1333300031030220 |
| 5 | 13342143442100 |
| 6 | 552403142040 |
| 7 | 104054055402 |
| oct | 17760151450 |
| 9 | 5471063356 |
| 10 | 2143343400 |
| 11 | 9aa952690 |
| 12 | 4b9974920 |
| 13 | 282085443 |
| 14 | 16492db72 |
| 15 | c8279aa0 |
| hex | 7fc0d328 |
2143343400 has 384 divisors, whose sum is σ = 7613084160. Its totient is φ = 494208000.
The previous prime is 2143343399. The next prime is 2143343401. The reversal of 2143343400 is 43433412.
It is an interprime number because it is at equal distance from previous prime (2143343399) and next prime (2143343401).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (2143343401) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16361335 + ... + 16361465.
It is an arithmetic number, because the mean of its divisors is an integer number (19825740).
Almost surely, 22143343400 is an apocalyptic number.
2143343400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2143343400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3806542080).
2143343400 is an abundant number, since it is smaller than the sum of its proper divisors (5469740760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143343400 is a wasteful number, since it uses less digits than its factorization.
2143343400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265 (or 256 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
The square root of 2143343400 is about 46296.2568681314. The cubic root of 2143343400 is about 1289.3294995217.
Adding to 2143343400 its reverse (43433412), we get a palindrome (2186776812).
It can be divided in two parts, 2143 and 343400, that added together give a palindrome (345543).
The spelling of 2143343400 in words is "two billion, one hundred forty-three million, three hundred forty-three thousand, four hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •