Base | Representation |
---|---|
bin | 101001001001001… |
… | …0100101000001001 |
3 | 10120012201102201021 |
4 | 1102102110220021 |
5 | 10311404103133 |
6 | 344553352441 |
7 | 46132231531 |
oct | 12222245011 |
9 | 3505642637 |
10 | 1380534793 |
11 | 649304250 |
12 | 326408721 |
13 | 1900248c1 |
14 | d14c64c1 |
15 | 812ec52d |
hex | 52494a09 |
1380534793 has 12 divisors (see below), whose sum is σ = 1599843312. Its totient is φ = 1181203520.
The previous prime is 1380534781. The next prime is 1380534829. The reversal of 1380534793 is 3974350831.
It is a happy number.
It is not a de Polignac number, because 1380534793 - 217 = 1380403721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1380534733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213955 + ... + 220312.
It is an arithmetic number, because the mean of its divisors is an integer number (133320276).
Almost surely, 21380534793 is an apocalyptic number.
It is an amenable number.
1380534793 is a deficient number, since it is larger than the sum of its proper divisors (219308519).
1380534793 is a wasteful number, since it uses less digits than its factorization.
1380534793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 434312 (or 434295 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 43.
The square root of 1380534793 is about 37155.5486165929. The cubic root of 1380534793 is about 1113.4800804470.
The spelling of 1380534793 in words is "one billion, three hundred eighty million, five hundred thirty-four thousand, seven hundred ninety-three".
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