Base | Representation |
---|---|
bin | 1001010001110010011101… |
… | …1111111110100101001101 |
3 | 1100010020002212101102202121 |
4 | 2110130213133332211031 |
5 | 2314114034231202341 |
6 | 33410212102052541 |
7 | 2102004331331011 |
oct | 224344737764515 |
9 | 40106085342677 |
10 | 10201210022221 |
11 | 3283344126889 |
12 | 118909071a151 |
13 | 58cc7c06a87a |
14 | 273a53bcc541 |
15 | 12a5547324d1 |
hex | 947277fe94d |
10201210022221 has 8 divisors (see below), whose sum is σ = 10204220380640. Its totient is φ = 10198200066768.
The previous prime is 10201210022183. The next prime is 10201210022249. The reversal of 10201210022221 is 12222001210201.
It is a happy number.
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 10201210022221 - 27 = 10201210022093 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10201210022195 and 10201210022204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10201210029221) 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, 54883375 + ... + 55068931.
It is an arithmetic number, because the mean of its divisors is an integer number (1275527547580).
Almost surely, 210201210022221 is an apocalyptic number.
It is an amenable number.
10201210022221 is a deficient number, since it is larger than the sum of its proper divisors (3010358419).
10201210022221 is a wasteful number, since it uses less digits than its factorization.
10201210022221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 201483.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 10201210022221 its reverse (12222001210201), we get a palindrome (22423211232422).
The spelling of 10201210022221 in words is "ten trillion, two hundred one billion, two hundred ten million, twenty-two thousand, two hundred twenty-one".
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