Base | Representation |
---|---|
bin | 1100011001100110010… |
… | …1011110001010011110 |
3 | 202100212102210002121220 |
4 | 3012121211132022132 |
5 | 11442241203300210 |
6 | 241510435034210 |
7 | 21251041160061 |
oct | 3063145361236 |
9 | 670772702556 |
10 | 213030134430 |
11 | 82388a59043 |
12 | 3535343b966 |
13 | 1711ca120a9 |
14 | a44c8528d8 |
15 | 581c379c70 |
hex | 319995e29e |
213030134430 has 32 divisors (see below), whose sum is σ = 511374511008. Its totient is φ = 56796681600.
The previous prime is 213030134419. The next prime is 213030134431. The reversal of 213030134430 is 34431030312.
It is a self number, because there is not a number n which added to its sum of digits gives 213030134430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213030134431) 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, 556501 + ... + 857760.
It is an arithmetic number, because the mean of its divisors is an integer number (15980453469).
Almost surely, 2213030134430 is an apocalyptic number.
213030134430 is an abundant number, since it is smaller than the sum of its proper divisors (298344376578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213030134430 is a wasteful number, since it uses less digits than its factorization.
213030134430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1419292.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 213030134430 its reverse (34431030312), we get a palindrome (247461164742).
The spelling of 213030134430 in words is "two hundred thirteen billion, thirty million, one hundred thirty-four thousand, four hundred thirty".
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