Base | Representation |
---|---|
bin | 10010101001011110… |
… | …110110000011010111 |
3 | 1220200110101020212221 |
4 | 102221132312003113 |
5 | 312001431220112 |
6 | 13110520523211 |
7 | 1306124164531 |
oct | 225136660327 |
9 | 56613336787 |
10 | 20023304407 |
11 | 85456a6a67 |
12 | 3a69920507 |
13 | 1b71477122 |
14 | d7d430851 |
15 | 7c2d20e07 |
hex | 4a97b60d7 |
20023304407 has 2 divisors, whose sum is σ = 20023304408. Its totient is φ = 20023304406.
The previous prime is 20023304401. The next prime is 20023304453. The reversal of 20023304407 is 70440332002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20023304407 - 211 = 20023302359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20023304401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011652203 + 10011652204.
It is an arithmetic number, because the mean of its divisors is an integer number (10011652204).
Almost surely, 220023304407 is an apocalyptic number.
20023304407 is a deficient number, since it is larger than the sum of its proper divisors (1).
20023304407 is an equidigital number, since it uses as much as digits as its factorization.
20023304407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4032, while the sum is 25.
Adding to 20023304407 its reverse (70440332002), we get a palindrome (90463636409).
The spelling of 20023304407 in words is "twenty billion, twenty-three million, three hundred four thousand, four hundred seven".
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