Base | Representation |
---|---|
bin | 10010111010100101… |
… | …101111001100101101 |
3 | 1221102110110100202201 |
4 | 102322211233030231 |
5 | 313043420332023 |
6 | 13155212421501 |
7 | 1316210622430 |
oct | 227245571455 |
9 | 57373410681 |
10 | 20310324013 |
11 | 8682715051 |
12 | 3b29a77891 |
13 | 1bb8a7b905 |
14 | da95c5817 |
15 | 7dd118bad |
hex | 4ba96f32d |
20310324013 has 8 divisors (see below), whose sum is σ = 23267200320. Its totient is φ = 17367298080.
The previous prime is 20310323993. The next prime is 20310324043. The reversal of 20310324013 is 31042301302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20310324013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310324043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3459448 + ... + 3465313.
It is an arithmetic number, because the mean of its divisors is an integer number (2908400040).
Almost surely, 220310324013 is an apocalyptic number.
It is an amenable number.
20310324013 is a deficient number, since it is larger than the sum of its proper divisors (2956876307).
20310324013 is an equidigital number, since it uses as much as digits as its factorization.
20310324013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6925187.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20310324013 its reverse (31042301302), we get a palindrome (51352625315).
The spelling of 20310324013 in words is "twenty billion, three hundred ten million, three hundred twenty-four thousand, thirteen".
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