Base | Representation |
---|---|
bin | 100100101010000… |
… | …0111011111100100 |
3 | 10011201110222222112 |
4 | 1021110013133210 |
5 | 10004340312330 |
6 | 322015220152 |
7 | 42323625656 |
oct | 11124073744 |
9 | 3151428875 |
10 | 1230010340 |
11 | 581343a79 |
12 | 2a3b17658 |
13 | 167aa1090 |
14 | b95026d6 |
15 | 72eb7795 |
hex | 495077e4 |
1230010340 has 24 divisors (see below), whose sum is σ = 2781716280. Its totient is φ = 454157568.
The previous prime is 1230010303. The next prime is 1230010357. The reversal of 1230010340 is 430100321.
It can be written as a sum of positive squares in 4 ways, for example, as 248566756 + 981443584 = 15766^2 + 31328^2 .
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, 2365145 + ... + 2365664.
It is an arithmetic number, because the mean of its divisors is an integer number (115904845).
Almost surely, 21230010340 is an apocalyptic number.
1230010340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230010340 is an abundant number, since it is smaller than the sum of its proper divisors (1551705940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230010340 is a wasteful number, since it uses less digits than its factorization.
1230010340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4730831 (or 4730829 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 1230010340 is about 35071.5032469382. The cubic root of 1230010340 is about 1071.4442720408. Note that the first 3 decimals are identical.
Adding to 1230010340 its reverse (430100321), we get a palindrome (1660110661).
The spelling of 1230010340 in words is "one billion, two hundred thirty million, ten thousand, three hundred forty".
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