Base | Representation |
---|---|
bin | 10010101110110001… |
… | …010001110111011001 |
3 | 1220220122022121220210 |
4 | 102232301101313121 |
5 | 312142134214001 |
6 | 13123410241333 |
7 | 1311252242400 |
oct | 225661216731 |
9 | 56818277823 |
10 | 20112023001 |
11 | 8590792614 |
12 | 3a93586249 |
13 | 1b8696aa35 |
14 | d8b126637 |
15 | 7ca9e7dd6 |
hex | 4aec51dd9 |
20112023001 has 48 divisors (see below), whose sum is σ = 31897995264. Its totient is φ = 11233899936.
The previous prime is 20112022981. The next prime is 20112023003. The reversal of 20112023001 is 10032021102.
It is not a de Polignac number, because 20112023001 - 210 = 20112021977 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20112023003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8033916 + ... + 8036418.
It is an arithmetic number, because the mean of its divisors is an integer number (664541568).
Almost surely, 220112023001 is an apocalyptic number.
20112023001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20112023001 is a deficient number, since it is larger than the sum of its proper divisors (11785972263).
20112023001 is a wasteful number, since it uses less digits than its factorization.
20112023001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3730 (or 3723 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20112023001 its reverse (10032021102), we get a palindrome (30144044103).
The spelling of 20112023001 in words is "twenty billion, one hundred twelve million, twenty-three thousand, one".
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