Base | Representation |
---|---|
bin | 10010111010100101… |
… | …011000010100111100 |
3 | 1221102110021121021001 |
4 | 102322211120110330 |
5 | 313043404332312 |
6 | 13155210420044 |
7 | 1316210052340 |
oct | 227245302474 |
9 | 57373247231 |
10 | 20310230332 |
11 | 8682660727 |
12 | 3b29a31624 |
13 | 1bb8a48092 |
14 | da959d620 |
15 | 7dd0eb057 |
hex | 4ba95853c |
20310230332 has 24 divisors (see below), whose sum is σ = 40659841376. Its totient is φ = 8695945728.
The previous prime is 20310230299. The next prime is 20310230357. The reversal of 20310230332 is 23303201302.
It is a happy number.
It is a super-2 number, since 2×203102303322 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322173 + ... + 380020.
Almost surely, 220310230332 is an apocalyptic number.
It is an amenable number.
20310230332 is an abundant number, since it is smaller than the sum of its proper divisors (20349611044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20310230332 is a wasteful number, since it uses less digits than its factorization.
20310230332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 703237 (or 703235 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20310230332 its reverse (23303201302), we get a palindrome (43613431634).
The spelling of 20310230332 in words is "twenty billion, three hundred ten million, two hundred thirty thousand, three hundred thirty-two".
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