Base | Representation |
---|---|
bin | 1011111100010100111010… |
… | …0000010111001001000001 |
3 | 1201111022111012120102020112 |
4 | 2333011032200113021001 |
5 | 3210114323211130423 |
6 | 43532151325521105 |
7 | 2523454134336422 |
oct | 277051640271101 |
9 | 51438435512215 |
10 | 13131032130113 |
11 | 4202926348517 |
12 | 1580a70113195 |
13 | 743335639811 |
14 | 33578c603649 |
15 | 17b87ce26a78 |
hex | bf14e817241 |
13131032130113 has 4 divisors (see below), whose sum is σ = 13131114434388. Its totient is φ = 13130949825840.
The previous prime is 13131032130109. The next prime is 13131032130149. The reversal of 13131032130113 is 31103123013131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5298131322289 + 7832900807824 = 2301767^2 + 2798732^2 .
It is a cyclic number.
It is not a de Polignac number, because 13131032130113 - 22 = 13131032130109 is a prime.
It is a super-2 number, since 2×131310321301132 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13131032130173) 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, 40912358 + ... + 41232063.
It is an arithmetic number, because the mean of its divisors is an integer number (3282778608597).
Almost surely, 213131032130113 is an apocalyptic number.
It is an amenable number.
13131032130113 is a deficient number, since it is larger than the sum of its proper divisors (82304275).
13131032130113 is an equidigital number, since it uses as much as digits as its factorization.
13131032130113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82304274.
The product of its (nonzero) digits is 486, while the sum is 23.
Adding to 13131032130113 its reverse (31103123013131), we get a palindrome (44234155143244).
The spelling of 13131032130113 in words is "thirteen trillion, one hundred thirty-one billion, thirty-two million, one hundred thirty thousand, one hundred thirteen".
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