Base | Representation |
---|---|
bin | 1001001100110001100011… |
… | …10001111000010000001101 |
3 | 2122121222111121202211202120 |
4 | 10212120301301320100031 |
5 | 10122422302031420323 |
6 | 111005332142443153 |
7 | 4155402336214104 |
oct | 446306161702015 |
9 | 78558447684676 |
10 | 20230131123213 |
11 | 649a606691060 |
12 | 2328899b934b9 |
13 | b39901bb7aab |
14 | 4dd201d5b03b |
15 | 2513736d55e3 |
hex | 126631c7840d |
20230131123213 has 32 divisors (see below), whose sum is σ = 30974843420160. Its totient is φ = 11615206299840.
The previous prime is 20230131123173. The next prime is 20230131123229. The reversal of 20230131123213 is 31232113103202.
It is not a de Polignac number, because 20230131123213 - 210 = 20230131122189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20230131125213) 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 31 ways as a sum of consecutive naturals, for example, 47517195 + ... + 47941047.
It is an arithmetic number, because the mean of its divisors is an integer number (967963856880).
Almost surely, 220230131123213 is an apocalyptic number.
It is an amenable number.
20230131123213 is a deficient number, since it is larger than the sum of its proper divisors (10744712296947).
20230131123213 is a wasteful number, since it uses less digits than its factorization.
20230131123213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 500009.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 20230131123213 its reverse (31232113103202), we get a palindrome (51462244226415).
The spelling of 20230131123213 in words is "twenty trillion, two hundred thirty billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirteen".
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