Base | Representation |
---|---|
bin | 10001011111110101111… |
… | …100110101101011100101 |
3 | 11020221122212120202100220 |
4 | 101133311330311223211 |
5 | 124200030043221041 |
6 | 2320215105354553 |
7 | 152605100264100 |
oct | 21376574655345 |
9 | 4227585522326 |
10 | 1202422242021 |
11 | 423a43010400 |
12 | 175054938a59 |
13 | 89507390400 |
14 | 422aa0d7737 |
15 | 214276a6d66 |
hex | 117f5f35ae5 |
1202422242021 has 432 divisors, whose sum is σ = 2403953294400. Its totient is φ = 530542172160.
The previous prime is 1202422241987. The next prime is 1202422242031.
1202422242021 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 1202422242021 - 26 = 1202422241957 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1202422241982 and 1202422242000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202422242031) by changing a digit.
It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 2113219825 + ... + 2113220393.
It is an arithmetic number, because the mean of its divisors is an integer number (5564706700).
Almost surely, 21202422242021 is an apocalyptic number.
1202422242021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1202422242021 is a deficient number, since it is larger than the sum of its proper divisors (1201531052379).
1202422242021 is a wasteful number, since it uses less digits than its factorization.
1202422242021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 690 (or 659 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
The spelling of 1202422242021 in words is "one trillion, two hundred two billion, four hundred twenty-two million, two hundred forty-two thousand, twenty-one".
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