Base | Representation |
---|---|
bin | 100111011000010… |
… | …0000110100110110 |
3 | 10102002100001000110 |
4 | 1032300200310312 |
5 | 10201230341324 |
6 | 335040523450 |
7 | 44513130555 |
oct | 11660406466 |
9 | 3362301013 |
10 | 1321340214 |
11 | 618953507 |
12 | 30a620586 |
13 | 18099a41c |
14 | c76b7d9c |
15 | 7b008329 |
hex | 4ec20d36 |
1321340214 has 16 divisors (see below), whose sum is σ = 2654324928. Its totient is φ = 438505992.
The previous prime is 1321340197. The next prime is 1321340219. The reversal of 1321340214 is 4120431231.
It is a super-4 number, since 4×13213402144 (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1321340219) 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, 483712 + ... + 486435.
It is an arithmetic number, because the mean of its divisors is an integer number (165895308).
Almost surely, 21321340214 is an apocalyptic number.
1321340214 is an abundant number, since it is smaller than the sum of its proper divisors (1332984714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1321340214 is a wasteful number, since it uses less digits than its factorization.
1321340214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 970379.
The product of its (nonzero) digits is 576, while the sum is 21.
The square root of 1321340214 is about 36350.2436580554. The cubic root of 1321340214 is about 1097.3324381702.
Adding to 1321340214 its reverse (4120431231), we get a palindrome (5441771445).
The spelling of 1321340214 in words is "one billion, three hundred twenty-one million, three hundred forty thousand, two hundred fourteen".
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