Base | Representation |
---|---|
bin | 11101101101111100101… |
… | …11010011111010111101 |
3 | 10121121122021201212110110 |
4 | 32312332113103322331 |
5 | 113212203330443401 |
6 | 2101030510500233 |
7 | 133525556362104 |
oct | 16667627237275 |
9 | 3547567655413 |
10 | 1021101031101 |
11 | 364056a03978 |
12 | 145a90804679 |
13 | 7539bac5568 |
14 | 375c8a5903b |
15 | 1b863ebd9d6 |
hex | edbe5d3ebd |
1021101031101 has 16 divisors (see below), whose sum is σ = 1393451924480. Its totient is φ = 664749393840.
The previous prime is 1021101031087. The next prime is 1021101031133. The reversal of 1021101031101 is 1011301011201.
It is not a de Polignac number, because 1021101031101 - 27 = 1021101030973 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 (1021101051101) 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, 352405 + ... + 1471866.
It is an arithmetic number, because the mean of its divisors is an integer number (87090745280).
Almost surely, 21021101031101 is an apocalyptic number.
It is an amenable number.
1021101031101 is a deficient number, since it is larger than the sum of its proper divisors (372350893379).
1021101031101 is a wasteful number, since it uses less digits than its factorization.
1021101031101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1828656.
The product of its (nonzero) digits is 6, while the sum is 12.
Adding to 1021101031101 its reverse (1011301011201), we get a palindrome (2032402042302).
The spelling of 1021101031101 in words is "one trillion, twenty-one billion, one hundred one million, thirty-one thousand, one hundred one".
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