Base | Representation |
---|---|
bin | 110010001111111111011010… |
… | …000001010101110011001001 |
3 | 1001222111111201121112022112002 |
4 | 302033333122001111303021 |
5 | 212431340424200001301 |
6 | 2102010314422200345 |
7 | 64356544521044345 |
oct | 6217773201256311 |
9 | 1058444647468462 |
10 | 221001200000201 |
11 | 6446609aa02185 |
12 | 2095361a8830b5 |
13 | 9641429332a2a |
14 | 3c8072d818625 |
15 | 1a83b35bc716b |
hex | c8ffda055cc9 |
221001200000201 has 8 divisors (see below), whose sum is σ = 221687887738464. Its totient is φ = 220314798450400.
The previous prime is 221001200000177. The next prime is 221001200000249. The reversal of 221001200000201 is 102000002100122.
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 221001200000201 - 230 = 221000126258377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221001200000291) 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, 70000220 + ... + 73089213.
It is an arithmetic number, because the mean of its divisors is an integer number (27710985967308).
Almost surely, 2221001200000201 is an apocalyptic number.
It is an amenable number.
221001200000201 is a deficient number, since it is larger than the sum of its proper divisors (686687738263).
221001200000201 is a wasteful number, since it uses less digits than its factorization.
221001200000201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143094231.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 221001200000201 its reverse (102000002100122), we get a palindrome (323001202100323).
The spelling of 221001200000201 in words is "two hundred twenty-one trillion, one billion, two hundred million, two hundred one", and thus it is an aban number.
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