Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101101000111000 |
3 | 1221101220101211101110 |
4 | 102322013031220320 |
5 | 313034343302412 |
6 | 13154325120320 |
7 | 1316052614553 |
oct | 227207155070 |
9 | 57356354343 |
10 | 20302322232 |
11 | 867914a205 |
12 | 3b272590a0 |
13 | 1bb720972a |
14 | da850169a |
15 | 7dc587d3c |
hex | 4ba1cda38 |
20302322232 has 16 divisors (see below), whose sum is σ = 50755805640. Its totient is φ = 6767440736.
The previous prime is 20302322213. The next prime is 20302322279. The reversal of 20302322232 is 23222320302.
It is a super-2 number, since 2×203023222322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20302322199 and 20302322208.
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 3 ways as a sum of consecutive naturals, for example, 422965023 + ... + 422965070.
Almost surely, 220302322232 is an apocalyptic number.
It is an amenable number.
20302322232 is an abundant number, since it is smaller than the sum of its proper divisors (30453483408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302322232 is a wasteful number, since it uses less digits than its factorization.
20302322232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 845930102 (or 845930098 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 21.
Adding to 20302322232 its reverse (23222320302), we get a palindrome (43524642534).
The spelling of 20302322232 in words is "twenty billion, three hundred two million, three hundred twenty-two thousand, two hundred thirty-two".
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