Base | Representation |
---|---|
bin | 10010111011110101… |
… | …010111111100110110 |
3 | 1221110220201222122220 |
4 | 102323311113330312 |
5 | 313114241402220 |
6 | 13201240103210 |
7 | 1316553231321 |
oct | 227365277466 |
9 | 57426658586 |
10 | 20331200310 |
11 | 8693483793 |
12 | 3b34a64b06 |
13 | 1bc01aab55 |
14 | dac29b7b8 |
15 | 7ded8e540 |
hex | 4bbd57f36 |
20331200310 has 32 divisors (see below), whose sum is σ = 49833073152. Its totient is φ = 5306298720.
The previous prime is 20331200261. The next prime is 20331200311. The reversal of 20331200310 is 1300213302.
It is a super-2 number, since 2×203312003102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20331200310.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20331200311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7208236 + ... + 7211055.
It is an arithmetic number, because the mean of its divisors is an integer number (1557283536).
Almost surely, 220331200310 is an apocalyptic number.
20331200310 is an abundant number, since it is smaller than the sum of its proper divisors (29501872842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20331200310 is a wasteful number, since it uses less digits than its factorization.
20331200310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14419348.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20331200310 its reverse (1300213302), we get a palindrome (21631413612).
The spelling of 20331200310 in words is "twenty billion, three hundred thirty-one million, two hundred thousand, three hundred ten".
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