Base | Representation |
---|---|
bin | 10010101001111101… |
… | …100000001100010010 |
3 | 1220201000111120110202 |
4 | 102221331200030102 |
5 | 312011010410310 |
6 | 13111405055202 |
7 | 1306252410020 |
oct | 225175401422 |
9 | 56630446422 |
10 | 20031341330 |
11 | 854a196250 |
12 | 3a70557502 |
13 | 1b7302c2c0 |
14 | d80523710 |
15 | 7c38ac3a5 |
hex | 4a9f60312 |
20031341330 has 128 divisors (see below), whose sum is σ = 48534183936. Its totient is φ = 5748652800.
The previous prime is 20031341329. The next prime is 20031341333. The reversal of 20031341330 is 3314313002.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20031341333) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4311989 + ... + 4316631.
It is an arithmetic number, because the mean of its divisors is an integer number (379173312).
Almost surely, 220031341330 is an apocalyptic number.
20031341330 is an abundant number, since it is smaller than the sum of its proper divisors (28502842606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20031341330 is a wasteful number, since it uses less digits than its factorization.
20031341330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5112.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 20031341330 its reverse (3314313002), we get a palindrome (23345654332).
The spelling of 20031341330 in words is "twenty billion, thirty-one million, three hundred forty-one thousand, three hundred thirty".
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