Base | Representation |
---|---|
bin | 10010101010101111… |
… | …010111010001101011 |
3 | 1220201221002122002001 |
4 | 102222233113101223 |
5 | 312022332141021 |
6 | 13112553151431 |
7 | 1306501455661 |
oct | 225257272153 |
9 | 56657078061 |
10 | 20044412011 |
11 | 8556603468 |
12 | 3a749bb577 |
13 | 1b75957730 |
14 | d82166c31 |
15 | 7c4ae0091 |
hex | 4aabd746b |
20044412011 has 8 divisors (see below), whose sum is σ = 21587598144. Its totient is φ = 18501412800.
The previous prime is 20044411957. The next prime is 20044412021. The reversal of 20044412011 is 11021444002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20044412011 - 225 = 20010857579 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20044412011.
It is not an unprimeable number, because it can be changed into a prime (20044412021) 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, 242190 + ... + 314236.
It is an arithmetic number, because the mean of its divisors is an integer number (2698449768).
Almost surely, 220044412011 is an apocalyptic number.
20044412011 is a deficient number, since it is larger than the sum of its proper divisors (1543186133).
20044412011 is a wasteful number, since it uses less digits than its factorization.
20044412011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93461.
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 20044412011 its reverse (11021444002), we get a palindrome (31065856013).
The spelling of 20044412011 in words is "twenty billion, forty-four million, four hundred twelve thousand, eleven".
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