Base | Representation |
---|---|
bin | 1011001101000111111101… |
… | …0100100110110100001111 |
3 | 1121121210100010001110011020 |
4 | 2303101333110212310033 |
5 | 3103323032143010411 |
6 | 42111435445325223 |
7 | 2411045422540146 |
oct | 263217724466417 |
9 | 47553303043136 |
10 | 12320102313231 |
11 | 3a1aa20631609 |
12 | 146b875406813 |
13 | 6b4a1c16979b |
14 | 30842083a75d |
15 | 16571a30a606 |
hex | b347f526d0f |
12320102313231 has 16 divisors (see below), whose sum is σ = 16924796074080. Its totient is φ = 7967887516160.
The previous prime is 12320102313227. The next prime is 12320102313251. The reversal of 12320102313231 is 13231320102321.
It is a cyclic number.
It is not a de Polignac number, because 12320102313231 - 22 = 12320102313227 is a prime.
It is a super-2 number, since 2×123201023132312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12320102313251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435294390 + ... + 435322691.
It is an arithmetic number, because the mean of its divisors is an integer number (1057799754630).
Almost surely, 212320102313231 is an apocalyptic number.
12320102313231 is a deficient number, since it is larger than the sum of its proper divisors (4604693760849).
12320102313231 is an equidigital number, since it uses as much as digits as its factorization.
12320102313231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 870617226.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 12320102313231 its reverse (13231320102321), we get a palindrome (25551422415552).
The spelling of 12320102313231 in words is "twelve trillion, three hundred twenty billion, one hundred two million, three hundred thirteen thousand, two hundred thirty-one".
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