Base | Representation |
---|---|
bin | 1011101101100001110… |
… | …1100011100011110101 |
3 | 201020022222112012112010 |
4 | 2323120131203203311 |
5 | 11244024212401401 |
6 | 232232520514433 |
7 | 20351632551156 |
oct | 2733035434365 |
9 | 636288465463 |
10 | 201200122101 |
11 | 78368250750 |
12 | 32bb161ba19 |
13 | 15c85b570b4 |
14 | 9a4964392d |
15 | 53789d5ed6 |
hex | 2ed87638f5 |
201200122101 has 16 divisors (see below), whose sum is σ = 299460648960. Its totient is φ = 119103665520.
The previous prime is 201200122093. The next prime is 201200122103. The reversal of 201200122101 is 101221002102.
It is not a de Polignac number, because 201200122101 - 23 = 201200122093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201200122103) 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, 70893621 + ... + 70896458.
It is an arithmetic number, because the mean of its divisors is an integer number (18716290560).
Almost surely, 2201200122101 is an apocalyptic number.
It is an amenable number.
201200122101 is a deficient number, since it is larger than the sum of its proper divisors (98260526859).
201200122101 is a wasteful number, since it uses less digits than its factorization.
201200122101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141790136.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 201200122101 its reverse (101221002102), we get a palindrome (302421124203).
The spelling of 201200122101 in words is "two hundred one billion, two hundred million, one hundred twenty-two thousand, one hundred one".
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