| Base | Representation |
|---|---|
| bin | 11001000011010… |
| … | …00011110010000 |
| 3 | 112122102101011112 |
| 4 | 30201220132100 |
| 5 | 412244034440 |
| 6 | 32504032452 |
| 7 | 5131121105 |
| oct | 1441503620 |
| 9 | 478371145 |
| 10 | 210143120 |
| 11 | a8690700 |
| 12 | 5a462728 |
| 13 | 346c9055 |
| 14 | 1dca2aac |
| 15 | 136ae965 |
| hex | c868790 |
210143120 has 120 divisors (see below), whose sum is σ = 569072952. Its totient is φ = 71864320.
The previous prime is 210143117. The next prime is 210143123. The reversal of 210143120 is 21341012.
It is an interprime number because it is at equal distance from previous prime (210143117) and next prime (210143123).
It can be written as a sum of positive squares in 4 ways, for example, as 57274624 + 152868496 = 7568^2 + 12364^2 .
It is a junction number, because it is equal to n+sod(n) for n = 210143095 and 210143104.
It is not an unprimeable number, because it can be changed into a prime (210143123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163922 + ... + 165198.
Almost surely, 2210143120 is an apocalyptic number.
210143120 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 210143120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284536476).
210143120 is an abundant number, since it is smaller than the sum of its proper divisors (358929832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210143120 is a wasteful number, since it uses less digits than its factorization.
210143120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1329 (or 1312 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 210143120 is about 14496.3140142589. The cubic root of 210143120 is about 594.5271954234.
Adding to 210143120 its reverse (21341012), we get a palindrome (231484132).
The spelling of 210143120 in words is "two hundred ten million, one hundred forty-three thousand, one hundred twenty".
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