Base | Representation |
---|---|
bin | 11010110100000100101… |
… | …11001000001011010110 |
3 | 10021002001200111102212220 |
4 | 31122002113020023112 |
5 | 110043320341232410 |
6 | 1543124412523210 |
7 | 123363631441320 |
oct | 15320227101326 |
9 | 3232050442786 |
10 | 921310102230 |
11 | 3257a8597031 |
12 | 12a680a80506 |
13 | 68b576c7c5b |
14 | 3283d69c610 |
15 | 18e732d1070 |
hex | d6825c82d6 |
921310102230 has 128 divisors (see below), whose sum is σ = 2615284039680. Its totient is φ = 203236239360.
The previous prime is 921310102213. The next prime is 921310102243. The reversal of 921310102230 is 32201013129.
It is a self number, because there is not a number n which added to its sum of digits gives 921310102230.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14688235 + ... + 14750825.
It is an arithmetic number, because the mean of its divisors is an integer number (20431906560).
Almost surely, 2921310102230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 921310102230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307642019840).
921310102230 is an abundant number, since it is smaller than the sum of its proper divisors (1693973937450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
921310102230 is a wasteful number, since it uses less digits than its factorization.
921310102230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65054.
The product of its (nonzero) digits is 648, while the sum is 24.
Adding to 921310102230 its reverse (32201013129), we get a palindrome (953511115359).
The spelling of 921310102230 in words is "nine hundred twenty-one billion, three hundred ten million, one hundred two thousand, two hundred thirty".
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