Base | Representation |
---|---|
bin | 1011110000111101101… |
… | …0010010000101111001 |
3 | 201022201020020000100110 |
4 | 2330033122102011321 |
5 | 11302421213323001 |
6 | 232504212054533 |
7 | 20413525514001 |
oct | 2741732220571 |
9 | 638636200313 |
10 | 202122011001 |
11 | 787a06734a9 |
12 | 3320a304449 |
13 | 160a1b458a1 |
14 | 9ad5c5b001 |
15 | 53ce8d83d6 |
hex | 2f0f692179 |
202122011001 has 32 divisors (see below), whose sum is σ = 294110310400. Its totient is φ = 122998357440.
The previous prime is 202122010973. The next prime is 202122011017. The reversal of 202122011001 is 100110221202.
It is not a de Polignac number, because 202122011001 - 27 = 202122010873 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (202122011041) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154890 + ... + 654396.
It is an arithmetic number, because the mean of its divisors is an integer number (9190947200).
Almost surely, 2202122011001 is an apocalyptic number.
It is an amenable number.
202122011001 is a deficient number, since it is larger than the sum of its proper divisors (91988299399).
202122011001 is a wasteful number, since it uses less digits than its factorization.
202122011001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499789.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 202122011001 its reverse (100110221202), we get a palindrome (302232232203).
The spelling of 202122011001 in words is "two hundred two billion, one hundred twenty-two million, eleven thousand, one".
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