Base | Representation |
---|---|
bin | 1100011011000101101… |
… | …1111111011001111010 |
3 | 202101220022202201210020 |
4 | 3012301123333121322 |
5 | 11444101124133310 |
6 | 242014252031310 |
7 | 21264000431250 |
oct | 3066133773172 |
9 | 671808681706 |
10 | 213430302330 |
11 | 82573929113 |
12 | 35445462536 |
13 | 171848b1c2b |
14 | a489a5c5d0 |
15 | 5842573170 |
hex | 31b16ff67a |
213430302330 has 64 divisors (see below), whose sum is σ = 599687117568. Its totient is φ = 47594211840.
The previous prime is 213430302311. The next prime is 213430302331. The reversal of 213430302330 is 33203034312.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 213430302330.
It is not an unprimeable number, because it can be changed into a prime (213430302331) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12385717 + ... + 12402936.
It is an arithmetic number, because the mean of its divisors is an integer number (9370111212).
Almost surely, 2213430302330 is an apocalyptic number.
213430302330 is an abundant number, since it is smaller than the sum of its proper divisors (386256815238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213430302330 is a wasteful number, since it uses less digits than its factorization.
213430302330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24788711.
The product of its (nonzero) digits is 3888, while the sum is 24.
Adding to 213430302330 its reverse (33203034312), we get a palindrome (246633336642).
The spelling of 213430302330 in words is "two hundred thirteen billion, four hundred thirty million, three hundred two thousand, three hundred thirty".
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