Base | Representation |
---|---|
bin | 10001101001111000111… |
… | …110001000001110100111 |
3 | 11021222111201021101222210 |
4 | 101221320332020032213 |
5 | 124334123321030043 |
6 | 2325201403454503 |
7 | 153436324440516 |
oct | 21517076101647 |
9 | 4258451241883 |
10 | 1213210330023 |
11 | 42857966a60a |
12 | 177165827433 |
13 | 8a53641c833 |
14 | 42a10ba467d |
15 | 21859837633 |
hex | 11a78f883a7 |
1213210330023 has 16 divisors (see below), whose sum is σ = 1662543275616. Its totient is φ = 786373983360.
The previous prime is 1213210330019. The next prime is 1213210330063. The reversal of 1213210330023 is 3200330123121.
It is not a de Polignac number, because 1213210330023 - 22 = 1213210330019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213210330063) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3827868 + ... + 4132673.
It is an arithmetic number, because the mean of its divisors is an integer number (103908954726).
Almost surely, 21213210330023 is an apocalyptic number.
1213210330023 is a deficient number, since it is larger than the sum of its proper divisors (449332945593).
1213210330023 is a wasteful number, since it uses less digits than its factorization.
1213210330023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7961954.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1213210330023 its reverse (3200330123121), we get a palindrome (4413540453144).
The spelling of 1213210330023 in words is "one trillion, two hundred thirteen billion, two hundred ten million, three hundred thirty thousand, twenty-three".
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