Base | Representation |
---|---|
bin | 1100011001100100001… |
… | …1111000101001010000 |
3 | 202100211211012210012220 |
4 | 3012121003320221100 |
5 | 11442231430030000 |
6 | 241505522221040 |
7 | 21250603300143 |
oct | 3063103705120 |
9 | 670754183186 |
10 | 213021330000 |
11 | 82383a95156 |
12 | 353504b4780 |
13 | 1711ac4b77b |
14 | a44b60005a |
15 | 581b6db1a0 |
hex | 31990f8a50 |
213021330000 has 100 divisors (see below), whose sum is σ = 687661352928. Its totient is φ = 56805680000.
The previous prime is 213021329999. The next prime is 213021330001. The reversal of 213021330000 is 33120312.
It is an interprime number because it is at equal distance from previous prime (213021329999) and next prime (213021330001).
It is a tau number, because it is divible by the number of its divisors (100).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213021330001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3520356 + ... + 3580355.
Almost surely, 2213021330000 is an apocalyptic number.
213021330000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213021330000 is an abundant number, since it is smaller than the sum of its proper divisors (474640022928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213021330000 is an equidigital number, since it uses as much as digits as its factorization.
213021330000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7100742 (or 7100721 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 213021330000 its reverse (33120312), we get a palindrome (213054450312).
The spelling of 213021330000 in words is "two hundred thirteen billion, twenty-one million, three hundred thirty thousand".
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