Base | Representation |
---|---|
bin | 100111111110001… |
… | …0100111001110001 |
3 | 10110110201202011111 |
4 | 1033330110321301 |
5 | 10221322324241 |
6 | 341030513321 |
7 | 45144063556 |
oct | 11774247161 |
9 | 3413652144 |
10 | 1341214321 |
11 | 629098197 |
12 | 315205841 |
13 | 184b38455 |
14 | ca1aca2d |
15 | 7cb31c81 |
hex | 4ff14e71 |
1341214321 has 4 divisors (see below), whose sum is σ = 1348163812. Its totient is φ = 1334264832.
The previous prime is 1341214309. The next prime is 1341214379. The reversal of 1341214321 is 1234121431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1234121431 = 4871 ⋅253361.
It can be written as a sum of positive squares in 2 ways, for example, as 155376225 + 1185838096 = 12465^2 + 34436^2 .
It is a cyclic number.
It is not a de Polignac number, because 1341214321 - 211 = 1341212273 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1341214292 and 1341214301.
It is not an unprimeable number, because it can be changed into a prime (1341214421) 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, 3474456 + ... + 3474841.
It is an arithmetic number, because the mean of its divisors is an integer number (337040953).
Almost surely, 21341214321 is an apocalyptic number.
It is an amenable number.
1341214321 is a deficient number, since it is larger than the sum of its proper divisors (6949491).
1341214321 is an equidigital number, since it uses as much as digits as its factorization.
1341214321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6949490.
The product of its digits is 576, while the sum is 22.
The square root of 1341214321 is about 36622.5930403624. The cubic root of 1341214321 is about 1102.8066950462.
Adding to 1341214321 its reverse (1234121431), we get a palindrome (2575335752).
The spelling of 1341214321 in words is "one billion, three hundred forty-one million, two hundred fourteen thousand, three hundred twenty-one".
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