Base | Representation |
---|---|
bin | 10010101110001100… |
… | …001110100101010110 |
3 | 1220212222001011111112 |
4 | 102232030032211112 |
5 | 312132142411410 |
6 | 13122422135022 |
7 | 1311103550312 |
oct | 225614164526 |
9 | 56788034445 |
10 | 20102310230 |
11 | 8586259232 |
12 | 3a90281472 |
13 | 1b84949b32 |
14 | d89b18b42 |
15 | 7c9c2a105 |
hex | 4ae30e956 |
20102310230 has 32 divisors (see below), whose sum is σ = 36713736000. Its totient is φ = 7923363840.
The previous prime is 20102310191. The next prime is 20102310233. The reversal of 20102310230 is 3201320102.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102310233) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 1510646 + ... + 1523894.
It is an arithmetic number, because the mean of its divisors is an integer number (1147304250).
Almost surely, 220102310230 is an apocalyptic number.
20102310230 is a deficient number, since it is larger than the sum of its proper divisors (16611425770).
20102310230 is a wasteful number, since it uses less digits than its factorization.
20102310230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15464.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20102310230 its reverse (3201320102), we get a palindrome (23303630332).
The spelling of 20102310230 in words is "twenty billion, one hundred two million, three hundred ten thousand, two hundred thirty".
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