Base | Representation |
---|---|
bin | 1001001110110101110010… |
… | …01111100101001010000101 |
3 | 2122212202202012002121022211 |
4 | 10213122321033211022011 |
5 | 10130103200031411323 |
6 | 111102112435423421 |
7 | 4163464521644164 |
oct | 447327117451205 |
9 | 78782665077284 |
10 | 20301123310213 |
11 | 651772694a989 |
12 | 233a5b1154b71 |
13 | b43506a65335 |
14 | 5028186493db |
15 | 25312ae8270d |
hex | 1276b93e5285 |
20301123310213 has 4 divisors (see below), whose sum is σ = 20545715157408. Its totient is φ = 20056531463020.
The previous prime is 20301123310147. The next prime is 20301123310249. The reversal of 20301123310213 is 31201332110302.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20301123310213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301123313213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122295923473 + ... + 122295923638.
It is an arithmetic number, because the mean of its divisors is an integer number (5136428789352).
Almost surely, 220301123310213 is an apocalyptic number.
It is an amenable number.
20301123310213 is a deficient number, since it is larger than the sum of its proper divisors (244591847195).
20301123310213 is an equidigital number, since it uses as much as digits as its factorization.
20301123310213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244591847194.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 20301123310213 its reverse (31201332110302), we get a palindrome (51502455420515).
The spelling of 20301123310213 in words is "twenty trillion, three hundred one billion, one hundred twenty-three million, three hundred ten thousand, two hundred thirteen".
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