Base | Representation |
---|---|
bin | 1100011010000001000… |
… | …1001000101111100000 |
3 | 202101011020201212111001 |
4 | 3012200101020233200 |
5 | 11443003403304240 |
6 | 241525522001344 |
7 | 21253602120055 |
oct | 3064021105740 |
9 | 671136655431 |
10 | 213142244320 |
11 | 82436270945 |
12 | 35384aa6254 |
13 | 1713a0058c5 |
14 | a45d6b702c |
15 | 582712289a |
hex | 31a0448be0 |
213142244320 has 48 divisors (see below), whose sum is σ = 503764537248. Its totient is φ = 85220328960.
The previous prime is 213142244281. The next prime is 213142244423. The reversal of 213142244320 is 23442241312.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90037 + ... + 659083.
It is an arithmetic number, because the mean of its divisors is an integer number (10495094526).
Almost surely, 2213142244320 is an apocalyptic number.
213142244320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213142244320 is an abundant number, since it is smaller than the sum of its proper divisors (290622292928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213142244320 is a wasteful number, since it uses less digits than its factorization.
213142244320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 571403 (or 571395 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
Adding to 213142244320 its reverse (23442241312), we get a palindrome (236584485632).
The spelling of 213142244320 in words is "two hundred thirteen billion, one hundred forty-two million, two hundred forty-four thousand, three hundred twenty".
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