Base | Representation |
---|---|
bin | 100000011101110010101… |
… | …011100000001011000101 |
3 | 21220021122001202001102111 |
4 | 200131302223200023011 |
5 | 243023103040030341 |
6 | 4424525054341021 |
7 | 320120362250056 |
oct | 40356253401305 |
9 | 7807561661374 |
10 | 2231012033221 |
11 | 790192148604 |
12 | 3004754ba771 |
13 | 1324ca80995a |
14 | 79da557a72d |
15 | 3d078d37681 |
hex | 20772ae02c5 |
2231012033221 has 8 divisors (see below), whose sum is σ = 2383484970080. Its totient is φ = 2082044221488.
The previous prime is 2231012033219. The next prime is 2231012033227. The reversal of 2231012033221 is 1223302101322.
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 2231012033221 - 21 = 2231012033219 is a prime.
It is a super-3 number, since 3×22310120332213 (a number of 38 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2231012033192 and 2231012033201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231012033227) 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, 876279966 + ... + 876282511.
It is an arithmetic number, because the mean of its divisors is an integer number (297935621260).
Almost surely, 22231012033221 is an apocalyptic number.
It is an amenable number.
2231012033221 is a deficient number, since it is larger than the sum of its proper divisors (152472936859).
2231012033221 is a wasteful number, since it uses less digits than its factorization.
2231012033221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1752562563.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 2231012033221 its reverse (1223302101322), we get a palindrome (3454314134543).
The spelling of 2231012033221 in words is "two trillion, two hundred thirty-one billion, twelve million, thirty-three thousand, two hundred twenty-one".
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