Base | Representation |
---|---|
bin | 10010101010011111… |
… | …110000010100101101 |
3 | 1220201122101202022020 |
4 | 102222133300110231 |
5 | 312020310222201 |
6 | 13112325340353 |
7 | 1306421624541 |
oct | 225237602455 |
9 | 56648352266 |
10 | 20040320301 |
11 | 8554269291 |
12 | 3a735676b9 |
13 | 1b74b541c1 |
14 | d817bda21 |
15 | 7c4582a36 |
hex | 4aa7f052d |
20040320301 has 16 divisors (see below), whose sum is σ = 27208252608. Its totient is φ = 13117104000.
The previous prime is 20040320299. The next prime is 20040320309. The reversal of 20040320301 is 10302304002.
20040320301 is a nontrivial binomial coefficient, being equal to C(200202, 2).
It is not a de Polignac number, because 20040320301 - 21 = 20040320299 is a prime.
It is a super-2 number, since 2×200403203012 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20040320309) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1 + ... + 200201.
It is an arithmetic number, because the mean of its divisors is an integer number (1700515788).
Almost surely, 220040320301 is an apocalyptic number.
20040320301 is the 200201-st triangular number and also the 100101-st hexagonal number.
It is an amenable number.
20040320301 is a deficient number, since it is larger than the sum of its proper divisors (7167932307).
20040320301 is a wasteful number, since it uses less digits than its factorization.
20040320301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200812.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 20040320301 its reverse (10302304002), we get a palindrome (30342624303).
The spelling of 20040320301 in words is "twenty billion, forty million, three hundred twenty thousand, three hundred one".
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