Base | Representation |
---|---|
bin | 10010111010000110… |
… | …000100100111001001 |
3 | 1221101212211122001222 |
4 | 102322012010213021 |
5 | 313034304214423 |
6 | 13154314451425 |
7 | 1316050230521 |
oct | 227206044711 |
9 | 57355748058 |
10 | 20302023113 |
11 | 8678a654a9 |
12 | 3b27133b75 |
13 | 1bb7133538 |
14 | da8464681 |
15 | 7dc5293c8 |
hex | 4ba1849c9 |
20302023113 has 4 divisors (see below), whose sum is σ = 20304219408. Its totient is φ = 20299826820.
The previous prime is 20302023103. The next prime is 20302023151. The reversal of 20302023113 is 31132020302.
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 20302023113 - 24 = 20302023097 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20302023091 and 20302023100.
It is not an unprimeable number, because it can be changed into a prime (20302023103) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084223 + ... + 1102788.
It is an arithmetic number, because the mean of its divisors is an integer number (5076054852).
Almost surely, 220302023113 is an apocalyptic number.
It is an amenable number.
20302023113 is a deficient number, since it is larger than the sum of its proper divisors (2196295).
20302023113 is an equidigital number, since it uses as much as digits as its factorization.
20302023113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2196294.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20302023113 its reverse (31132020302), we get a palindrome (51434043415).
The spelling of 20302023113 in words is "twenty billion, three hundred two million, twenty-three thousand, one hundred thirteen".
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