Base | Representation |
---|---|
bin | 11101111000001010111110… |
… | …001011110110001001000101 |
3 | 122020021001012021202210001202 |
4 | 131320022332023312021011 |
5 | 114210403201034331323 |
6 | 1143245521540032245 |
7 | 36451404151634255 |
oct | 3570127613661105 |
9 | 566231167683052 |
10 | 131403420230213 |
11 | 3896197204905a |
12 | 128a2a43692685 |
13 | 584239b949001 |
14 | 2463d60b1d965 |
15 | 102d187b09d28 |
hex | 7782be2f6245 |
131403420230213 has 4 divisors (see below), whose sum is σ = 131409475430028. Its totient is φ = 131397365030400.
The previous prime is 131403420230171. The next prime is 131403420230287. The reversal of 131403420230213 is 312032024304131.
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 120779066942209 + 10624353288004 = 10989953^2 + 3259502^2 .
It is a cyclic number.
It is not a de Polignac number, because 131403420230213 - 26 = 131403420230149 is a prime.
It is a super-2 number, since 2×1314034202302132 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131403420230293) 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, 3027567356 + ... + 3027610757.
It is an arithmetic number, because the mean of its divisors is an integer number (32852368857507).
Almost surely, 2131403420230213 is an apocalyptic number.
It is an amenable number.
131403420230213 is a deficient number, since it is larger than the sum of its proper divisors (6055199815).
131403420230213 is an equidigital number, since it uses as much as digits as its factorization.
131403420230213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6055199814.
The product of its (nonzero) digits is 10368, while the sum is 29.
Adding to 131403420230213 its reverse (312032024304131), we get a palindrome (443435444534344).
The spelling of 131403420230213 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred twenty million, two hundred thirty thousand, two hundred thirteen".
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