Base | Representation |
---|---|
bin | 111110101011011… |
… | …0011111101101100 |
3 | 12102120102011202020 |
4 | 1331112303331230 |
5 | 13301400211022 |
6 | 544405230140 |
7 | 103055220132 |
oct | 17526637554 |
9 | 5376364666 |
10 | 2103132012 |
11 | 98a188233 |
12 | 4a8402350 |
13 | 276946617 |
14 | 15d463752 |
15 | c498535c |
hex | 7d5b3f6c |
2103132012 has 24 divisors (see below), whose sum is σ = 4926866112. Its totient is φ = 698250000.
The previous prime is 2103131969. The next prime is 2103132013. The reversal of 2103132012 is 2102313012.
It is a junction number, because it is equal to n+sod(n) for n = 2103131982 and 2103132000.
It is not an unprimeable number, because it can be changed into a prime (2103132013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346114 + ... + 352137.
It is an arithmetic number, because the mean of its divisors is an integer number (205286088).
Almost surely, 22103132012 is an apocalyptic number.
It is an amenable number.
2103132012 is an abundant number, since it is smaller than the sum of its proper divisors (2823734100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2103132012 is a wasteful number, since it uses less digits than its factorization.
2103132012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 698509 (or 698507 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2103132012 is about 45859.9172698774. The cubic root of 2103132012 is about 1281.2154819747.
Adding to 2103132012 its reverse (2102313012), we get a palindrome (4205445024).
The spelling of 2103132012 in words is "two billion, one hundred three million, one hundred thirty-two thousand, twelve".
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