| Base | Representation |
|---|---|
| bin | 100111001001001… |
| … | …0001001110101100 |
| 3 | 10101112102020120100 |
| 4 | 1032102101032230 |
| 5 | 10142213141022 |
| 6 | 334154551100 |
| 7 | 44355550353 |
| oct | 11622211654 |
| 9 | 3345366510 |
| 10 | 1313412012 |
| 11 | 614428980 |
| 12 | 307a38490 |
| 13 | 17c152893 |
| 14 | c661299a |
| 15 | 7a48e1ac |
| hex | 4e4913ac |
1313412012 has 144 divisors (see below), whose sum is σ = 3834230400. Its totient is φ = 374906880.
The previous prime is 1313412007. The next prime is 1313412017. The reversal of 1313412012 is 2102143131.
It is an interprime number because it is at equal distance from previous prime (1313412007) and next prime (1313412017).
It is a super-2 number, since 2×13134120122 = 3450102226531776288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1313412017) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1707564 + ... + 1708332.
It is an arithmetic number, because the mean of its divisors is an integer number (26626600).
Almost surely, 21313412012 is an apocalyptic number.
1313412012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1313412012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917115200).
1313412012 is an abundant number, since it is smaller than the sum of its proper divisors (2520818388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313412012 is a wasteful number, since it uses less digits than its factorization.
1313412012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1036 (or 1031 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 1313412012 is about 36241.0266410873. The cubic root of 1313412012 is about 1095.1333246055.
Adding to 1313412012 its reverse (2102143131), we get a palindrome (3415555143).
It can be divided in two parts, 131 and 3412012, that added together give a palindrome (3412143).
The spelling of 1313412012 in words is "one billion, three hundred thirteen million, four hundred twelve thousand, twelve".
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