Base | Representation |
---|---|
bin | 10001101001110100010… |
… | …011011100110010111101 |
3 | 11021222022020221111221221 |
4 | 101221310103130302331 |
5 | 124333443300030323 |
6 | 2325145525353341 |
7 | 153434354100112 |
oct | 21516423346275 |
9 | 4258266844857 |
10 | 1213132033213 |
11 | 428539452001 |
12 | 177143568851 |
13 | 8a523137769 |
14 | 42a04622909 |
15 | 21852a1d55d |
hex | 11a744dccbd |
1213132033213 has 8 divisors (see below), whose sum is σ = 1247369848160. Its totient is φ = 1178970558480.
The previous prime is 1213132033153. The next prime is 1213132033237. The reversal of 1213132033213 is 3123302313121.
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 1213132033213 - 229 = 1212595162301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1210132033213) 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, 19052823 + ... + 19116388.
It is an arithmetic number, because the mean of its divisors is an integer number (155921231020).
Almost surely, 21213132033213 is an apocalyptic number.
It is an amenable number.
1213132033213 is a deficient number, since it is larger than the sum of its proper divisors (34237814947).
1213132033213 is an equidigital number, since it uses as much as digits as its factorization.
1213132033213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38170107.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 1213132033213 its reverse (3123302313121), we get a palindrome (4336434346334).
The spelling of 1213132033213 in words is "one trillion, two hundred thirteen billion, one hundred thirty-two million, thirty-three thousand, two hundred thirteen".
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