Base | Representation |
---|---|
bin | 10010101110110001… |
… | …001111001011111110 |
3 | 1220220122022001212110 |
4 | 102232301033023332 |
5 | 312142133341110 |
6 | 13123410114450 |
7 | 1311252165405 |
oct | 225661171376 |
9 | 56818261773 |
10 | 20112012030 |
11 | 8590785350 |
12 | 3a9357ba26 |
13 | 1b86965a46 |
14 | d8b12263c |
15 | 7ca9e4a20 |
hex | 4aec4f2fe |
20112012030 has 64 divisors (see below), whose sum is σ = 53881521408. Its totient is φ = 4762248960.
The previous prime is 20112012029. The next prime is 20112012071. The reversal of 20112012030 is 3021021102.
It is a junction number, because it is equal to n+sod(n) for n = 20112011997 and 20112012015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694479 + ... + 722858.
It is an arithmetic number, because the mean of its divisors is an integer number (841898772).
Almost surely, 220112012030 is an apocalyptic number.
20112012030 is an abundant number, since it is smaller than the sum of its proper divisors (33769509378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20112012030 is a wasteful number, since it uses less digits than its factorization.
20112012030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1417401.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20112012030 its reverse (3021021102), we get a palindrome (23133033132).
The spelling of 20112012030 in words is "twenty billion, one hundred twelve million, twelve thousand, thirty".
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