Base | Representation |
---|---|
bin | 1001000110000111001100… |
… | …10001101100110111110111 |
3 | 2121211002200012001101122222 |
4 | 10203003212101230313313 |
5 | 10110200010132130403 |
6 | 110312234433312555 |
7 | 4133020103323316 |
oct | 443034621546767 |
9 | 77732605041588 |
10 | 20001231130103 |
11 | 64115245a6333 |
12 | 22b0457a0575b |
13 | b211533876a2 |
14 | 4d20c997227d |
15 | 24a427ec0338 |
hex | 1230e646cdf7 |
20001231130103 has 8 divisors (see below), whose sum is σ = 20200133536128. Its totient is φ = 19802419410744.
The previous prime is 20001231130093. The next prime is 20001231130109. The reversal of 20001231130103 is 30103113210002.
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 20001231130103 - 224 = 20001214352887 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20001231130109) 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, 22228325 + ... + 23110622.
It is an arithmetic number, because the mean of its divisors is an integer number (2525016692016).
Almost surely, 220001231130103 is an apocalyptic number.
20001231130103 is a deficient number, since it is larger than the sum of its proper divisors (198902406025).
20001231130103 is a wasteful number, since it uses less digits than its factorization.
20001231130103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45343333.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 20001231130103 its reverse (30103113210002), we get a palindrome (50104344340105).
The spelling of 20001231130103 in words is "twenty trillion, one billion, two hundred thirty-one million, one hundred thirty thousand, one hundred three".
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