Base | Representation |
---|---|
bin | 11101101100001000111… |
… | …11001100111010001001 |
3 | 10121112010121121110000102 |
4 | 32312010133030322021 |
5 | 113203211241133001 |
6 | 2100350302415145 |
7 | 133462526051630 |
oct | 16660437147211 |
9 | 3545117543012 |
10 | 1020130021001 |
11 | 3636a8890693 |
12 | 14585b5914b5 |
13 | 75275898680 |
14 | 37535ad6517 |
15 | 1b808b16e6b |
hex | ed847cce89 |
1020130021001 has 16 divisors (see below), whose sum is σ = 1276825065600. Its totient is φ = 793455568128.
The previous prime is 1020130020941. The next prime is 1020130021019. The reversal of 1020130021001 is 1001200310201.
It is a cyclic number.
It is not a de Polignac number, because 1020130021001 - 230 = 1019056279177 is a prime.
It is a super-3 number, since 3×10201300210013 (a number of 37 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (1020130021051) 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, 94996496 + ... + 95007233.
It is an arithmetic number, because the mean of its divisors is an integer number (79801566600).
Almost surely, 21020130021001 is an apocalyptic number.
It is an amenable number.
1020130021001 is a deficient number, since it is larger than the sum of its proper divisors (256695044599).
1020130021001 is a wasteful number, since it uses less digits than its factorization.
1020130021001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 190003808.
The product of its (nonzero) digits is 12, while the sum is 11.
Adding to 1020130021001 its reverse (1001200310201), we get a palindrome (2021330331202).
The spelling of 1020130021001 in words is "one trillion, twenty billion, one hundred thirty million, twenty-one thousand, one".
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