Base | Representation |
---|---|
bin | 11000110011000011… |
… | …00110110101110011 |
3 | 1021100211000200201012 |
4 | 30121201212311303 |
5 | 204231131022011 |
6 | 10041014501135 |
7 | 650624561312 |
oct | 143141466563 |
9 | 37324020635 |
10 | 13313142131 |
11 | 5711a15803 |
12 | 26b66647ab |
13 | 13422215c3 |
14 | 9041a0279 |
15 | 52dba9a8b |
hex | 319866d73 |
13313142131 has 4 divisors (see below), whose sum is σ = 13320147264. Its totient is φ = 13306137000.
The previous prime is 13313142127. The next prime is 13313142211. The reversal of 13313142131 is 13124131331.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13313142131 - 22 = 13313142127 is a prime.
It is a super-2 number, since 2×133131421312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13313142097 and 13313142106.
It is not an unprimeable number, because it can be changed into a prime (13313148131) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499715 + ... + 3503516.
It is an arithmetic number, because the mean of its divisors is an integer number (3330036816).
Almost surely, 213313142131 is an apocalyptic number.
13313142131 is a deficient number, since it is larger than the sum of its proper divisors (7005133).
13313142131 is an equidigital number, since it uses as much as digits as its factorization.
13313142131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7005132.
The product of its digits is 648, while the sum is 23.
Adding to 13313142131 its reverse (13124131331), we get a palindrome (26437273462).
The spelling of 13313142131 in words is "thirteen billion, three hundred thirteen million, one hundred forty-two thousand, one hundred thirty-one".
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