Base | Representation |
---|---|
bin | 11001011110111111… |
… | …00111001101100001 |
3 | 1022022111120021220111 |
4 | 30233133213031201 |
5 | 211010004434423 |
6 | 10141342411321 |
7 | 663021454000 |
oct | 145737471541 |
9 | 38274507814 |
10 | 13681718113 |
11 | 5890a78358 |
12 | 2799b90b41 |
13 | 13a06ac9bb |
14 | 93b104c37 |
15 | 55121260d |
hex | 32f7e7361 |
13681718113 has 32 divisors (see below), whose sum is σ = 17186048000. Its totient is φ = 10851373008.
The previous prime is 13681718111. The next prime is 13681718119. The reversal of 13681718113 is 31181718631.
It is a happy number.
It is not a de Polignac number, because 13681718113 - 21 = 13681718111 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13681718111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255820 + ... + 304642.
It is an arithmetic number, because the mean of its divisors is an integer number (537064000).
Almost surely, 213681718113 is an apocalyptic number.
It is an amenable number.
13681718113 is a deficient number, since it is larger than the sum of its proper divisors (3504329887).
13681718113 is an equidigital number, since it uses as much as digits as its factorization.
13681718113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48906 (or 48892 counting only the distinct ones).
The product of its digits is 24192, while the sum is 40.
The spelling of 13681718113 in words is "thirteen billion, six hundred eighty-one million, seven hundred eighteen thousand, one hundred thirteen".
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