Base | Representation |
---|---|
bin | 1001001001101010000000… |
… | …11101010010101100011010 |
3 | 2122020201222200200121021010 |
4 | 10210311000131102230122 |
5 | 10114143402304433310 |
6 | 110444214031354350 |
7 | 4144560531005130 |
oct | 444650035225432 |
9 | 78221880617233 |
10 | 20123003202330 |
11 | 645913277a556 |
12 | 230bb810829b6 |
13 | b2c78b7340b2 |
14 | 4d7d5c3a1750 |
15 | 24d6a3814320 |
hex | 124d40752b1a |
20123003202330 has 64 divisors (see below), whose sum is σ = 57594284955648. Its totient is φ = 4399563432000.
The previous prime is 20123003202299. The next prime is 20123003202347. The reversal of 20123003202330 is 3320230032102.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 20123003202297 and 20123003202306.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 2083121796 + ... + 2083131455.
It is an arithmetic number, because the mean of its divisors is an integer number (899910702432).
Almost surely, 220123003202330 is an apocalyptic number.
20123003202330 is an abundant number, since it is smaller than the sum of its proper divisors (37471281753318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20123003202330 is a wasteful number, since it uses less digits than its factorization.
20123003202330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4166253291.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 20123003202330 its reverse (3320230032102), we get a palindrome (23443233234432).
The spelling of 20123003202330 in words is "twenty trillion, one hundred twenty-three billion, three million, two hundred two thousand, three hundred thirty".
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