Base | Representation |
---|---|
bin | 1011111100010100110111… |
… | …0101111110101111010001 |
3 | 1201111022110102122222012001 |
4 | 2333011031311332233101 |
5 | 3210114312340120423 |
6 | 43532150251434001 |
7 | 2523453641034643 |
oct | 277051565765721 |
9 | 51438412588161 |
10 | 13131021020113 |
11 | 420292004a3a7 |
12 | 1580a68455901 |
13 | 743333249959 |
14 | 33578ad50893 |
15 | 17b87be7ecad |
hex | bf14dd7ebd1 |
13131021020113 has 8 divisors (see below), whose sum is σ = 13378263874560. Its totient is φ = 12884600938320.
The previous prime is 13131021020093. The next prime is 13131021020123. The reversal of 13131021020113 is 31102012013131.
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 13131021020113 - 213 = 13131021011921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131021020123) 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, 205660945 + ... + 205724782.
It is an arithmetic number, because the mean of its divisors is an integer number (1672282984320).
Almost surely, 213131021020113 is an apocalyptic number.
It is an amenable number.
13131021020113 is a deficient number, since it is larger than the sum of its proper divisors (247242854447).
13131021020113 is an equidigital number, since it uses as much as digits as its factorization.
13131021020113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411386327.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 13131021020113 its reverse (31102012013131), we get a palindrome (44233033033244).
The spelling of 13131021020113 in words is "thirteen trillion, one hundred thirty-one billion, twenty-one million, twenty thousand, one hundred thirteen".
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