Base | Representation |
---|---|
bin | 110010010010111001101100… |
… | …010001000110110000010001 |
3 | 1002000012122000111101220000212 |
4 | 302102321230101012300101 |
5 | 212443130100324231113 |
6 | 2102242234422053505 |
7 | 64410155330623235 |
oct | 6222715421066021 |
9 | 1060178014356025 |
10 | 221201222102033 |
11 | 64532a03199858 |
12 | 2098634187a295 |
13 | 96572550bcbc4 |
14 | 3c8a2a68105c5 |
15 | 1a88e410650a8 |
hex | c92e6c446c11 |
221201222102033 has 8 divisors (see below), whose sum is σ = 221332018089000. Its totient is φ = 221070462242688.
The previous prime is 221201222102011. The next prime is 221201222102183. The reversal of 221201222102033 is 330201222102122.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 95808526441489 + 125392695660544 = 9788183^2 + 11197888^2 .
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 221201222102033 - 26 = 221201222101969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221201222102533) 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, 3222173 + ... + 21278741.
It is an arithmetic number, because the mean of its divisors is an integer number (27666502261125).
Almost surely, 2221201222102033 is an apocalyptic number.
It is an amenable number.
221201222102033 is a deficient number, since it is larger than the sum of its proper divisors (130795986967).
221201222102033 is a wasteful number, since it uses less digits than its factorization.
221201222102033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18063811.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 221201222102033 its reverse (330201222102122), we get a palindrome (551402444204155).
The spelling of 221201222102033 in words is "two hundred twenty-one trillion, two hundred one billion, two hundred twenty-two million, one hundred two thousand, thirty-three".
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