Base | Representation |
---|---|
bin | 111111011111010… |
… | …0010001011001010 |
3 | 12111110120120120100 |
4 | 1332332202023022 |
5 | 13330330301442 |
6 | 551220110230 |
7 | 103535303445 |
oct | 17676421312 |
9 | 5443516510 |
10 | 2130322122 |
11 | 9a35695a5 |
12 | 4b5535376 |
13 | 27c476646 |
14 | 162d0065c |
15 | c705684c |
hex | 7efa22ca |
2130322122 has 48 divisors (see below), whose sum is σ = 4909282560. Its totient is φ = 665318016.
The previous prime is 2130322111. The next prime is 2130322147. The reversal of 2130322122 is 2212230312.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2130322095 and 2130322104.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52629 + ... + 83847.
It is an arithmetic number, because the mean of its divisors is an integer number (102276720).
Almost surely, 22130322122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2130322122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2454641280).
2130322122 is an abundant number, since it is smaller than the sum of its proper divisors (2778960438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130322122 is a wasteful number, since it uses less digits than its factorization.
2130322122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31467 (or 31464 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2130322122 is about 46155.4127053372. The cubic root of 2130322122 is about 1286.7132083206.
Adding to 2130322122 its reverse (2212230312), we get a palindrome (4342552434).
The spelling of 2130322122 in words is "two billion, one hundred thirty million, three hundred twenty-two thousand, one hundred twenty-two".
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