Base | Representation |
---|---|
bin | 110010010000000001001011… |
… | …011001010110100010101111 |
3 | 1001222111200122011201000111122 |
4 | 302100001023121112202233 |
5 | 212431403323120320421 |
6 | 2102011231251211155 |
7 | 64356642615563423 |
oct | 6220011331264257 |
9 | 1058450564630448 |
10 | 221003102120111 |
11 | 64466986676003 |
12 | 20953a6b8a6abb |
13 | 964167042947c |
14 | 3c808702b4b83 |
15 | 1a83be7ba32ab |
hex | c9004b6568af |
221003102120111 has 8 divisors (see below), whose sum is σ = 221110899552000. Its totient is φ = 220895330425120.
The previous prime is 221003102120029. The next prime is 221003102120191. The reversal of 221003102120111 is 111021201300122.
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 221003102120111 - 210 = 221003102119087 is a prime.
It is a super-3 number, since 3×2210031021201113 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 221003102120111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221003102120191) 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, 10755185 + ... + 23615253.
It is an arithmetic number, because the mean of its divisors is an integer number (27638862444000).
Almost surely, 2221003102120111 is an apocalyptic number.
221003102120111 is a deficient number, since it is larger than the sum of its proper divisors (107797431889).
221003102120111 is a wasteful number, since it uses less digits than its factorization.
221003102120111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12868449.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 221003102120111 its reverse (111021201300122), we get a palindrome (332024303420233).
The spelling of 221003102120111 in words is "two hundred twenty-one trillion, three billion, one hundred two million, one hundred twenty thousand, one hundred eleven".
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