Base | Representation |
---|---|
bin | 10010101110101010… |
… | …101111101010011010 |
3 | 1220220112002121011212 |
4 | 102232222233222122 |
5 | 312141214410132 |
6 | 13123305423122 |
7 | 1311231546344 |
oct | 225652575232 |
9 | 56815077155 |
10 | 20110310042 |
11 | 858a822649 |
12 | 3a92a9aaa2 |
13 | 1b864bb154 |
14 | d8abdc294 |
15 | 7ca7aa5b2 |
hex | 4aeaafa9a |
20110310042 has 8 divisors (see below), whose sum is σ = 30169446132. Its totient is φ = 10053828000.
The previous prime is 20110310029. The next prime is 20110310053. The reversal of 20110310042 is 24001301102.
It can be written as a sum of positive squares in 2 ways, for example, as 17479748521 + 2630561521 = 132211^2 + 51289^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20110309999 and 20110310026.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644459 + ... + 674942.
Almost surely, 220110310042 is an apocalyptic number.
20110310042 is a deficient number, since it is larger than the sum of its proper divisors (10059136090).
20110310042 is a wasteful number, since it uses less digits than its factorization.
20110310042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1327024.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20110310042 its reverse (24001301102), we get a palindrome (44111611144).
The spelling of 20110310042 in words is "twenty billion, one hundred ten million, three hundred ten thousand, forty-two".
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