Base | Representation |
---|---|
bin | 10010111011110101… |
… | …110000110101010110 |
3 | 1221110220221011110201 |
4 | 102323311300311112 |
5 | 313114303132410 |
6 | 13201242211114 |
7 | 1316554134421 |
oct | 227365606526 |
9 | 57426834421 |
10 | 20331302230 |
11 | 8693543318 |
12 | 3b34ab3a9a |
13 | 1bc0215365 |
14 | dac2c69b8 |
15 | 7dedae83a |
hex | 4bbd70d56 |
20331302230 has 16 divisors (see below), whose sum is σ = 36721251504. Its totient is φ = 8104763680.
The previous prime is 20331302227. The next prime is 20331302239. The reversal of 20331302230 is 3220313302.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20331302198 and 20331302207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20331302239) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466576 + ... + 3472435.
It is an arithmetic number, because the mean of its divisors is an integer number (2295078219).
Almost surely, 220331302230 is an apocalyptic number.
20331302230 is a deficient number, since it is larger than the sum of its proper divisors (16389949274).
20331302230 is a wasteful number, since it uses less digits than its factorization.
20331302230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6939311.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20331302230 its reverse (3220313302), we get a palindrome (23551615532).
The spelling of 20331302230 in words is "twenty billion, three hundred thirty-one million, three hundred two thousand, two hundred thirty".
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