Base | Representation |
---|---|
bin | 1001001001111000111101… |
… | …11001001000110011101001 |
3 | 2122021111201002112201220022 |
4 | 10210330132321020303221 |
5 | 10114311322140323423 |
6 | 110452022330010225 |
7 | 4145263455523040 |
oct | 444743671106351 |
9 | 78244632481808 |
10 | 20131030011113 |
11 | 646158169881a |
12 | 2311641276975 |
13 | b3046a6a27a8 |
14 | 4d84c0447557 |
15 | 24d9c3357dc8 |
hex | 124f1ee48ce9 |
20131030011113 has 4 divisors (see below), whose sum is σ = 23006891441280. Its totient is φ = 17255168580948.
The previous prime is 20131030011049. The next prime is 20131030011121. The reversal of 20131030011113 is 31111003013102.
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 not a de Polignac number, because 20131030011113 - 26 = 20131030011049 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20131030011091 and 20131030011100.
It is not an unprimeable number, because it can be changed into a prime (20131030011173) 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, 1437930715073 + ... + 1437930715086.
It is an arithmetic number, because the mean of its divisors is an integer number (5751722860320).
Almost surely, 220131030011113 is an apocalyptic number.
It is an amenable number.
20131030011113 is a deficient number, since it is larger than the sum of its proper divisors (2875861430167).
20131030011113 is an equidigital number, since it uses as much as digits as its factorization.
20131030011113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2875861430166.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 20131030011113 its reverse (31111003013102), we get a palindrome (51242033024215).
The spelling of 20131030011113 in words is "twenty trillion, one hundred thirty-one billion, thirty million, eleven thousand, one hundred thirteen".
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