Base | Representation |
---|---|
bin | 1100011001100100101… |
… | …1111001011101101110 |
3 | 202100211222011111120120 |
4 | 3012121023321131232 |
5 | 11442232444234020 |
6 | 241510035225410 |
7 | 21250630166112 |
oct | 3063113713556 |
9 | 670758144516 |
10 | 213023430510 |
11 | 8238519a310 |
12 | 35351148266 |
13 | 1711b505887 |
14 | a44b9c9742 |
15 | 581b9a3740 |
hex | 31992f976e |
213023430510 has 128 divisors (see below), whose sum is σ = 592633096704. Its totient is φ = 48432168960.
The previous prime is 213023430479. The next prime is 213023430517. The reversal of 213023430510 is 15034320312.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213023430517) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1520542 + ... + 1654718.
It is an arithmetic number, because the mean of its divisors is an integer number (4629946068).
Almost surely, 2213023430510 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213023430510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296316548352).
213023430510 is an abundant number, since it is smaller than the sum of its proper divisors (379609666194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213023430510 is a wasteful number, since it uses less digits than its factorization.
213023430510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134498.
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 213023430510 its reverse (15034320312), we get a palindrome (228057750822).
The spelling of 213023430510 in words is "two hundred thirteen billion, twenty-three million, four hundred thirty thousand, five hundred ten".
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