Base | Representation |
---|---|
bin | 111110110011011… |
… | …0010111000011000 |
3 | 12102212022001011112 |
4 | 1331212302320120 |
5 | 13303433300010 |
6 | 545035115452 |
7 | 103135640366 |
oct | 17546627030 |
9 | 5385261145 |
10 | 2107321880 |
11 | 99158a134 |
12 | 4a98a2b88 |
13 | 277782731 |
14 | 15dc34636 |
15 | c5011a05 |
hex | 7d9b2e18 |
2107321880 has 32 divisors (see below), whose sum is σ = 4821843600. Its totient is φ = 828640896.
The previous prime is 2107321877. The next prime is 2107321883. The reversal of 2107321880 is 881237012.
It is an interprime number because it is at equal distance from previous prime (2107321877) and next prime (2107321883).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2107321883) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444107 + ... + 448826.
Almost surely, 22107321880 is an apocalyptic number.
2107321880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2107321880 is an abundant number, since it is smaller than the sum of its proper divisors (2714521720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2107321880 is a wasteful number, since it uses less digits than its factorization.
2107321880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 893003 (or 892999 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 32.
The square root of 2107321880 is about 45905.5756962049. The cubic root of 2107321880 is about 1282.0657318020.
Adding to 2107321880 its reverse (881237012), we get a palindrome (2988558892).
The spelling of 2107321880 in words is "two billion, one hundred seven million, three hundred twenty-one thousand, eight hundred eighty".
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