Base | Representation |
---|---|
bin | 100100011100111… |
… | …0111110001111010 |
3 | 10011020112110020210 |
4 | 1020321313301322 |
5 | 10001110131414 |
6 | 321211531550 |
7 | 42211302234 |
oct | 11071676172 |
9 | 3136473223 |
10 | 1223130234 |
11 | 578474937 |
12 | 2a1759bb6 |
13 | 166532601 |
14 | b8631254 |
15 | 725a8e59 |
hex | 48e77c7a |
1223130234 has 16 divisors (see below), whose sum is σ = 2525172480. Its totient is φ = 394558080.
The previous prime is 1223130221. The next prime is 1223130281. The reversal of 1223130234 is 4320313221.
It is a self number, because there is not a number n which added to its sum of digits gives 1223130234.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287799 + ... + 3288170.
It is an arithmetic number, because the mean of its divisors is an integer number (157823280).
Almost surely, 21223130234 is an apocalyptic number.
1223130234 is an abundant number, since it is smaller than the sum of its proper divisors (1302042246).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223130234 is a wasteful number, since it uses less digits than its factorization.
1223130234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6576005.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1223130234 is about 34973.2788568644. The cubic root of 1223130234 is about 1069.4428152715.
Adding to 1223130234 its reverse (4320313221), we get a palindrome (5543443455).
The spelling of 1223130234 in words is "one billion, two hundred twenty-three million, one hundred thirty thousand, two hundred thirty-four".
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