Base | Representation |
---|---|
bin | 10010101001010110… |
… | …111011101100000101 |
3 | 1220200022110212210200 |
4 | 102221112323230011 |
5 | 312000413332331 |
6 | 13110404241113 |
7 | 1306100435640 |
oct | 225126735405 |
9 | 56608425720 |
10 | 20021230341 |
11 | 854450a762 |
12 | 3a690a0199 |
13 | 1b70bcc078 |
14 | d7d050a57 |
15 | 7c2a615e6 |
hex | 4a95bbb05 |
20021230341 has 24 divisors (see below), whose sum is σ = 33311176704. Its totient is φ = 11350614240.
The previous prime is 20021230319. The next prime is 20021230349. The reversal of 20021230341 is 14303212002.
20021230341 is a `hidden beast` number, since 200 + 2 + 123 + 0 + 341 = 666.
It is not a de Polignac number, because 20021230341 - 27 = 20021230213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20021230349) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1243170 + ... + 1259171.
It is an arithmetic number, because the mean of its divisors is an integer number (1387965696).
Almost surely, 220021230341 is an apocalyptic number.
20021230341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20021230341 is a deficient number, since it is larger than the sum of its proper divisors (13289946363).
20021230341 is a wasteful number, since it uses less digits than its factorization.
20021230341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2502481 (or 2502478 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20021230341 its reverse (14303212002), we get a palindrome (34324442343).
The spelling of 20021230341 in words is "twenty billion, twenty-one million, two hundred thirty thousand, three hundred forty-one".
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