Base | Representation |
---|---|
bin | 111110101011100… |
… | …0111000101001000 |
3 | 12102120120011011020 |
4 | 1331113013011020 |
5 | 13301410212222 |
6 | 544411032440 |
7 | 103055664330 |
oct | 17527070510 |
9 | 5376504136 |
10 | 2103210312 |
11 | 98a231045 |
12 | 4a843b720 |
13 | 276973158 |
14 | 15d4840c0 |
15 | c499d65c |
hex | 7d5c7148 |
2103210312 has 64 divisors (see below), whose sum is σ = 6020956800. Its totient is φ = 599738880.
The previous prime is 2103210311. The next prime is 2103210331. The reversal of 2103210312 is 2130123012.
It is a junction number, because it is equal to n+sod(n) for n = 2103210291 and 2103210300.
It is not an unprimeable number, because it can be changed into a prime (2103210311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75514 + ... + 99542.
It is an arithmetic number, because the mean of its divisors is an integer number (94077450).
Almost surely, 22103210312 is an apocalyptic number.
It is an amenable number.
2103210312 is an abundant number, since it is smaller than the sum of its proper divisors (3917746488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2103210312 is a wasteful number, since it uses less digits than its factorization.
2103210312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24566 (or 24562 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 2103210312 is about 45860.7709486005. The cubic root of 2103210312 is about 1281.2313817417.
Adding to 2103210312 its reverse (2130123012), we get a palindrome (4233333324).
The spelling of 2103210312 in words is "two billion, one hundred three million, two hundred ten thousand, three hundred twelve".
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