Base | Representation |
---|---|
bin | 101101101100111100110001… |
… | …110111001000100100101001 |
3 | 222100200111202001110201200012 |
4 | 231230330301313020210221 |
5 | 202321200032310201441 |
6 | 1551254331213421305 |
7 | 60223562300522102 |
oct | 5554746167104451 |
9 | 870614661421605 |
10 | 201001011022121 |
11 | 59055060700112 |
12 | 1a663413a9a835 |
13 | 8820410b5375b |
14 | 378c7024473a9 |
15 | 183876e4629eb |
hex | b6cf31dc8929 |
201001011022121 has 8 divisors (see below), whose sum is σ = 202992555060864. Its totient is φ = 199009495121200.
The previous prime is 201001011022039. The next prime is 201001011022127. The reversal of 201001011022121 is 121220110100102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 201001011022121 - 242 = 196602964511017 is a prime.
It is a super-3 number, since 3×2010010110221213 (a number of 44 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201001011022096 and 201001011022105.
It is not an unprimeable number, because it can be changed into a prime (201001011022127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7470656 + ... + 21396558.
It is an arithmetic number, because the mean of its divisors is an integer number (25374069382608).
Almost surely, 2201001011022121 is an apocalyptic number.
It is an amenable number.
201001011022121 is a deficient number, since it is larger than the sum of its proper divisors (1991544038743).
201001011022121 is a wasteful number, since it uses less digits than its factorization.
201001011022121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14068911.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 201001011022121 its reverse (121220110100102), we get a palindrome (322221121122223).
The spelling of 201001011022121 in words is "two hundred one trillion, one billion, eleven million, twenty-two thousand, one hundred twenty-one".
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