Base | Representation |
---|---|
bin | 100111000111001… |
… | …1100101001101100 |
3 | 10101110112100100221 |
4 | 1032032130221230 |
5 | 10141434111340 |
6 | 334121301124 |
7 | 44344205602 |
oct | 11616345154 |
9 | 3343470327 |
10 | 1312410220 |
11 | 613904250 |
12 | 3076347a4 |
13 | 17bb918c4 |
14 | c6431872 |
15 | 7a34244a |
hex | 4e39ca6c |
1312410220 has 24 divisors (see below), whose sum is σ = 3006613008. Its totient is φ = 477240000.
The previous prime is 1312410163. The next prime is 1312410223. The reversal of 1312410220 is 220142131.
It is a junction number, because it is equal to n+sod(n) for n = 1312410194 and 1312410203.
It is not an unprimeable number, because it can be changed into a prime (1312410223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2982531 + ... + 2982970.
It is an arithmetic number, because the mean of its divisors is an integer number (125275542).
Almost surely, 21312410220 is an apocalyptic number.
1312410220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1312410220 is an abundant number, since it is smaller than the sum of its proper divisors (1694202788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312410220 is a wasteful number, since it uses less digits than its factorization.
1312410220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5965521 (or 5965519 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1312410220 is about 36227.2027625650. The cubic root of 1312410220 is about 1094.8548197533.
Adding to 1312410220 its reverse (220142131), we get a palindrome (1532552351).
The spelling of 1312410220 in words is "one billion, three hundred twelve million, four hundred ten thousand, two hundred twenty".
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