Base | Representation |
---|---|
bin | 11101101110001101011… |
… | …01010101011100010111 |
3 | 10121122000001011011012010 |
4 | 32313012231111130113 |
5 | 113213000200202411 |
6 | 2101052431155303 |
7 | 133532206314363 |
oct | 16670655253427 |
9 | 3548001134163 |
10 | 1021241022231 |
11 | 364118a2a321 |
12 | 145b0b675b33 |
13 | 753c1acb851 |
14 | 375dd49a2a3 |
15 | 1b8714227a6 |
hex | edc6b55717 |
1021241022231 has 8 divisors (see below), whose sum is σ = 1363759265664. Its totient is φ = 679775063480.
The previous prime is 1021241022223. The next prime is 1021241022281. The reversal of 1021241022231 is 1322201421201.
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 1021241022231 - 23 = 1021241022223 is a prime.
It is a super-3 number, since 3×10212410222313 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 1021241022198 and 1021241022207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021241022281) 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, 263068905 + ... + 263072786.
It is an arithmetic number, because the mean of its divisors is an integer number (170469908208).
Almost surely, 21021241022231 is an apocalyptic number.
1021241022231 is a deficient number, since it is larger than the sum of its proper divisors (342518243433).
1021241022231 is an equidigital number, since it uses as much as digits as its factorization.
1021241022231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 526142341.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 1021241022231 its reverse (1322201421201), we get a palindrome (2343442443432).
The spelling of 1021241022231 in words is "one trillion, twenty-one billion, two hundred forty-one million, twenty-two thousand, two hundred thirty-one".
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