Base | Representation |
---|---|
bin | 1001001110111001101010… |
… | …01101000011010100110011 |
3 | 2122212222010010102220202011 |
4 | 10213130311031003110303 |
5 | 10130121424433202011 |
6 | 111103055051103351 |
7 | 4163600204132221 |
oct | 447346515032463 |
9 | 78788103386664 |
10 | 20303203022131 |
11 | 65185a3891267 |
12 | 233aa91741b57 |
13 | b4377889b8c3 |
14 | 502974933b11 |
15 | 2531ed83d621 |
hex | 127735343533 |
20303203022131 has 8 divisors (see below), whose sum is σ = 21003780128400. Its totient is φ = 19602657026400.
The previous prime is 20303203022099. The next prime is 20303203022147. The reversal of 20303203022131 is 13122030230302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20303203022131 - 25 = 20303203022099 is a prime.
It is a super-2 number, since 2×203032030221312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20303203022731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6446020 + ... + 9064081.
It is an arithmetic number, because the mean of its divisors is an integer number (2625472516050).
Almost surely, 220303203022131 is an apocalyptic number.
20303203022131 is a deficient number, since it is larger than the sum of its proper divisors (700577106269).
20303203022131 is a wasteful number, since it uses less digits than its factorization.
20303203022131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15555269.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 20303203022131 its reverse (13122030230302), we get a palindrome (33425233252433).
The spelling of 20303203022131 in words is "twenty trillion, three hundred three billion, two hundred three million, twenty-two thousand, one hundred thirty-one".
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