Base | Representation |
---|---|
bin | 10010101110110001… |
… | …010100000100001100 |
3 | 1220220122100002021112 |
4 | 102232301110010030 |
5 | 312142140011022 |
6 | 13123410351152 |
7 | 1311252310562 |
oct | 225661240414 |
9 | 56818302245 |
10 | 20112032012 |
11 | 8590799366 |
12 | 3a9358b4b8 |
13 | 1b86971b77 |
14 | d8b129a32 |
15 | 7ca9ea8e2 |
hex | 4aec5410c |
20112032012 has 12 divisors (see below), whose sum is σ = 35524991880. Its totient is φ = 9962034336.
The previous prime is 20112032011. The next prime is 20112032077. The reversal of 20112032012 is 21023021102.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20112032011) 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, 23494937 + ... + 23495792.
It is an arithmetic number, because the mean of its divisors is an integer number (2960415990).
Almost surely, 220112032012 is an apocalyptic number.
It is an amenable number.
20112032012 is a deficient number, since it is larger than the sum of its proper divisors (15412959868).
20112032012 is a wasteful number, since it uses less digits than its factorization.
20112032012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46990840 (or 46990838 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20112032012 its reverse (21023021102), we get a palindrome (41135053114).
The spelling of 20112032012 in words is "twenty billion, one hundred twelve million, thirty-two thousand, twelve".
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