Base | Representation |
---|---|
bin | 110010010010111001100101… |
… | …000100010101010010110001 |
3 | 1002000012121201002010011220102 |
4 | 302102321211010111102301 |
5 | 212443124323414010301 |
6 | 2102242214425122145 |
7 | 64410152333135222 |
oct | 6222714504252261 |
9 | 1060177632104812 |
10 | 221201101313201 |
11 | 64532950a99379 |
12 | 20986309329355 |
13 | 965723607ac19 |
14 | 3c8a29476b249 |
15 | 1a88e35655b6b |
hex | c92e651154b1 |
221201101313201 has 8 divisors (see below), whose sum is σ = 221395180241664. Its totient is φ = 221007069556960.
The previous prime is 221201101313117. The next prime is 221201101313239. The reversal of 221201101313201 is 102313101102122.
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 221201101313201 - 214 = 221201101296817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221201101319201) 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, 2407220 + ... + 21170661.
It is an arithmetic number, because the mean of its divisors is an integer number (27674397530208).
Almost surely, 2221201101313201 is an apocalyptic number.
It is an amenable number.
221201101313201 is a deficient number, since it is larger than the sum of its proper divisors (194078928463).
221201101313201 is a wasteful number, since it uses less digits than its factorization.
221201101313201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23586111.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 221201101313201 its reverse (102313101102122), we get a palindrome (323514202415323).
The spelling of 221201101313201 in words is "two hundred twenty-one trillion, two hundred one billion, one hundred one million, three hundred thirteen thousand, two hundred one".
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