Base | Representation |
---|---|
bin | 10011000000101110… |
… | …111110111100111011 |
3 | 1221200122102201201010 |
4 | 103000232332330323 |
5 | 313301313124011 |
6 | 13213334125003 |
7 | 1321602063111 |
oct | 230056767473 |
9 | 57618381633 |
10 | 20413411131 |
11 | 8725924a13 |
12 | 3b584b0763 |
13 | 1c042335c9 |
14 | db917bab1 |
15 | 7e71cd1a6 |
hex | 4c0bbef3b |
20413411131 has 4 divisors (see below), whose sum is σ = 27217881512. Its totient is φ = 13608940752.
The previous prime is 20413411043. The next prime is 20413411169. The reversal of 20413411131 is 13111431402.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 20413411131 - 214 = 20413394747 is a prime.
It is a super-2 number, since 2×204134111312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20413411098 and 20413411107.
It is not an unprimeable number, because it can be changed into a prime (20413411171) 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, 3402235186 + ... + 3402235191.
It is an arithmetic number, because the mean of its divisors is an integer number (6804470378).
Almost surely, 220413411131 is an apocalyptic number.
20413411131 is a deficient number, since it is larger than the sum of its proper divisors (6804470381).
20413411131 is an equidigital number, since it uses as much as digits as its factorization.
20413411131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6804470380.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 20413411131 its reverse (13111431402), we get a palindrome (33524842533).
The spelling of 20413411131 in words is "twenty billion, four hundred thirteen million, four hundred eleven thousand, one hundred thirty-one".
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