Base | Representation |
---|---|
bin | 11101000111001101011… |
… | …01100111010110100101 |
3 | 10112121221211211000200212 |
4 | 32203212231213112211 |
5 | 112342110100130041 |
6 | 2043311035345205 |
7 | 132161305213016 |
oct | 16434655472645 |
9 | 3477854730625 |
10 | 1000303130021 |
11 | 356254047a78 |
12 | 141a475b2205 |
13 | 73436021210 |
14 | 365b47d300d |
15 | 1b0481928eb |
hex | e8e6b675a5 |
1000303130021 has 16 divisors (see below), whose sum is σ = 1150871467200. Its totient is φ = 861702893568.
The previous prime is 1000303130003. The next prime is 1000303130053. The reversal of 1000303130021 is 1200313030001.
It is a de Polignac number, because none of the positive numbers 2k-1000303130021 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1000303129978 and 1000303130005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000303133021) 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 15 ways as a sum of consecutive naturals, for example, 30205916 + ... + 30239013.
It is an arithmetic number, because the mean of its divisors is an integer number (71929466700).
Almost surely, 21000303130021 is an apocalyptic number.
It is an amenable number.
1000303130021 is a deficient number, since it is larger than the sum of its proper divisors (150568337179).
1000303130021 is a wasteful number, since it uses less digits than its factorization.
1000303130021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60445028.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 1000303130021 its reverse (1200313030001), we get a palindrome (2200616160022).
The spelling of 1000303130021 in words is "one trillion, three hundred three million, one hundred thirty thousand, twenty-one".
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