Base | Representation |
---|---|
bin | 10010101110001100… |
… | …010001000011001010 |
3 | 1220212222001200100121 |
4 | 102232030101003022 |
5 | 312132143222310 |
6 | 13122422253454 |
7 | 1311103621621 |
oct | 225614210312 |
9 | 56788050317 |
10 | 20102320330 |
11 | 8586265884 |
12 | 3a9028728a |
13 | 1b84951601 |
14 | d89b1c6b8 |
15 | 7c9c2d0da |
hex | 4ae3110ca |
20102320330 has 8 divisors (see below), whose sum is σ = 36184176612. Its totient is φ = 8040928128.
The previous prime is 20102320307. The next prime is 20102320331. The reversal of 20102320330 is 3302320102.
It can be written as a sum of positive squares in 2 ways, for example, as 19504077649 + 598242681 = 139657^2 + 24459^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (20102320331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005116007 + ... + 1005116026.
Almost surely, 220102320330 is an apocalyptic number.
20102320330 is a deficient number, since it is larger than the sum of its proper divisors (16081856282).
20102320330 is a wasteful number, since it uses less digits than its factorization.
20102320330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2010232040.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 20102320330 its reverse (3302320102), we get a palindrome (23404640432).
The spelling of 20102320330 in words is "twenty billion, one hundred two million, three hundred twenty thousand, three hundred thirty".
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