Base | Representation |
---|---|
bin | 1100000010000110011000… |
… | …0110101111000010001111 |
3 | 1201211210111020120202011000 |
4 | 3000201212012233002033 |
5 | 3213230433323010411 |
6 | 44045513045231343 |
7 | 2533564665104304 |
oct | 300414606570217 |
9 | 51753436522130 |
10 | 13230212313231 |
11 | 42409a0a38001 |
12 | 159812b402553 |
13 | 74c7b03483c4 |
14 | 33a4ba81b0ab |
15 | 17e2351c2956 |
hex | c08661af08f |
13230212313231 has 48 divisors (see below), whose sum is σ = 20174975251200. Its totient is φ = 8568721165536.
The previous prime is 13230212313229. The next prime is 13230212313233. The reversal of 13230212313231 is 13231321203231.
13230212313231 is a `hidden beast` number, since 1 + 3 + 2 + 302 + 1 + 2 + 31 + 323 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (13230212313229) and next prime (13230212313233).
It is not a de Polignac number, because 13230212313231 - 21 = 13230212313229 is a prime.
It is a super-2 number, since 2×132302123132312 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 13230212313195 and 13230212313204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13230212313233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24087046 + ... + 24630188.
It is an arithmetic number, because the mean of its divisors is an integer number (420311984400).
Almost surely, 213230212313231 is an apocalyptic number.
13230212313231 is a deficient number, since it is larger than the sum of its proper divisors (6944762937969).
13230212313231 is an equidigital number, since it uses as much as digits as its factorization.
13230212313231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 543885 (or 543842 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 13230212313231 its reverse (13231321203231), we get a palindrome (26461533516462).
Subtracting 13230212313231 from its reverse (13231321203231), we obtain a square (1108890000 = 333002).
The spelling of 13230212313231 in words is "thirteen trillion, two hundred thirty billion, two hundred twelve million, three hundred thirteen thousand, two hundred thirty-one".
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