Base | Representation |
---|---|
bin | 10010101100110111… |
… | …010011111101011011 |
3 | 1220211102011020012222 |
4 | 102230313103331123 |
5 | 312110443100021 |
6 | 13120305054255 |
7 | 1310413415600 |
oct | 225467237533 |
9 | 56742136188 |
10 | 20080050011 |
11 | 857473485a |
12 | 3a8492738b |
13 | 1b801549c8 |
14 | d86ba26a7 |
15 | 7c7cce6ab |
hex | 4acdd3f5b |
20080050011 has 12 divisors (see below), whose sum is σ = 23362697160. Its totient is φ = 17208324000.
The previous prime is 20080049989. The next prime is 20080050047. The reversal of 20080050011 is 11005008002.
It is not a de Polignac number, because 20080050011 - 218 = 20079787867 is a prime.
It is a super-2 number, since 2×200800500112 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20080050061) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256511 + ... + 325511.
It is an arithmetic number, because the mean of its divisors is an integer number (1946891430).
Almost surely, 220080050011 is an apocalyptic number.
20080050011 is a deficient number, since it is larger than the sum of its proper divisors (3282647149).
20080050011 is an equidigital number, since it uses as much as digits as its factorization.
20080050011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74954 (or 74947 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 17.
Adding to 20080050011 its reverse (11005008002), we get a palindrome (31085058013).
The spelling of 20080050011 in words is "twenty billion, eighty million, fifty thousand, eleven".
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