Base | Representation |
---|---|
bin | 100100001010001… |
… | …1111011110001110 |
3 | 10010120002121200212 |
4 | 1020110133132032 |
5 | 4441103100332 |
6 | 320221522422 |
7 | 42032101106 |
oct | 11024373616 |
9 | 3116077625 |
10 | 1213331342 |
11 | 572991883 |
12 | 29a413412 |
13 | 1644b1452 |
14 | b7200206 |
15 | 717c08b2 |
hex | 4851f78e |
1213331342 has 8 divisors (see below), whose sum is σ = 1850844600. Its totient is φ = 596383144.
The previous prime is 1213331333. The next prime is 1213331347. The reversal of 1213331342 is 2431333121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213331347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5141117 + ... + 5141352.
It is an arithmetic number, because the mean of its divisors is an integer number (231355575).
Almost surely, 21213331342 is an apocalyptic number.
1213331342 is a deficient number, since it is larger than the sum of its proper divisors (637513258).
1213331342 is a wasteful number, since it uses less digits than its factorization.
1213331342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10282530.
The product of its digits is 1296, while the sum is 23.
The square root of 1213331342 is about 34832.9060228974. The cubic root of 1213331342 is about 1066.5792705522.
Adding to 1213331342 its reverse (2431333121), we get a palindrome (3644664463).
The spelling of 1213331342 in words is "one billion, two hundred thirteen million, three hundred thirty-one thousand, three hundred forty-two".
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