Base | Representation |
---|---|
bin | 10011000110001011010… |
… | …111000111111010001101 |
3 | 11122110021122211201001202 |
4 | 103012023113013322031 |
5 | 133000044044320023 |
6 | 2442510322115245 |
7 | 163545044321054 |
oct | 23061327077215 |
9 | 4573248751052 |
10 | 1312303120013 |
11 | 4665a9999376 |
12 | 1923bb7abb25 |
13 | 96998cacc02 |
14 | 4773154d39b |
15 | 242090be128 |
hex | 1318b5c7e8d |
1312303120013 has 8 divisors (see below), whose sum is σ = 1340291500032. Its totient is φ = 1284317533296.
The previous prime is 1312303119971. The next prime is 1312303120049. The reversal of 1312303120013 is 3100213032131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312303120013 - 224 = 1312286342797 is a prime.
It is a super-3 number, since 3×13123031200133 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312303420013) 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, 265331 + ... + 1641647.
It is an arithmetic number, because the mean of its divisors is an integer number (167536437504).
Almost surely, 21312303120013 is an apocalyptic number.
It is an amenable number.
1312303120013 is a deficient number, since it is larger than the sum of its proper divisors (27988380019).
1312303120013 is a wasteful number, since it uses less digits than its factorization.
1312303120013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1396651.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 1312303120013 its reverse (3100213032131), we get a palindrome (4412516152144).
The spelling of 1312303120013 in words is "one trillion, three hundred twelve billion, three hundred three million, one hundred twenty thousand, thirteen".
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