Base | Representation |
---|---|
bin | 100100001001101… |
… | …0001000100110110 |
3 | 10010112111022012211 |
4 | 1020103101010312 |
5 | 4441012311410 |
6 | 320211004034 |
7 | 42026262655 |
oct | 11023210466 |
9 | 3115438184 |
10 | 1213010230 |
11 | 5727925a3 |
12 | 29a29961a |
13 | 1643cb243 |
14 | b715919c |
15 | 7175a68a |
hex | 484d1136 |
1213010230 has 8 divisors (see below), whose sum is σ = 2183418432. Its totient is φ = 485204088.
The previous prime is 1213010207. The next prime is 1213010237. The reversal of 1213010230 is 320103121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1213010230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213010237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60650502 + ... + 60650521.
It is an arithmetic number, because the mean of its divisors is an integer number (272927304).
Almost surely, 21213010230 is an apocalyptic number.
1213010230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1213010230 is a deficient number, since it is larger than the sum of its proper divisors (970408202).
1213010230 is a wasteful number, since it uses less digits than its factorization.
1213010230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121301030.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1213010230 is about 34828.2963981875. The cubic root of 1213010230 is about 1066.4851710513.
Adding to 1213010230 its reverse (320103121), we get a palindrome (1533113351).
The spelling of 1213010230 in words is "one billion, two hundred thirteen million, ten thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.025 sec. • engine limits •