Base | Representation |
---|---|
bin | 1001001111011110110001… |
… | …00001110100110101100000 |
3 | 2122221212112101102211002112 |
4 | 10213233120201310311200 |
5 | 10130433223443220300 |
6 | 111120151441534452 |
7 | 4165203635266124 |
oct | 447573041646540 |
9 | 78855471384075 |
10 | 20323123023200 |
11 | 6525a9613a968 |
12 | 2342910944428 |
13 | b4560181679a |
14 | 503904353584 |
15 | 2539b7555e35 |
hex | 127bd8874d60 |
20323123023200 has 72 divisors (see below), whose sum is σ = 50427165579840. Its totient is φ = 7995982809600.
The previous prime is 20323123023191. The next prime is 20323123023253. The reversal of 20323123023200 is 232032132302.
It is a super-2 number, since 2×203231230232002 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208179920 + ... + 208277519.
It is an arithmetic number, because the mean of its divisors is an integer number (700377299720).
Almost surely, 220323123023200 is an apocalyptic number.
20323123023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20323123023200 is an abundant number, since it is smaller than the sum of its proper divisors (30104042556640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20323123023200 is a wasteful number, since it uses less digits than its factorization.
20323123023200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 416457520 (or 416457507 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 20323123023200 its reverse (232032132302), we get a palindrome (20555155155502).
The spelling of 20323123023200 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-three million, twenty-three thousand, two hundred".
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