Base | Representation |
---|---|
bin | 101001001001001… |
… | …0000111011111001 |
3 | 10120012200122222021 |
4 | 1102102100323321 |
5 | 10311403112143 |
6 | 344553154441 |
7 | 46132136461 |
oct | 12222207371 |
9 | 3505618867 |
10 | 1380519673 |
11 | 6492a3955 |
12 | 3263bba21 |
13 | 19001aa60 |
14 | d14c0ba1 |
15 | 812e7ced |
hex | 52490ef9 |
1380519673 has 32 divisors (see below), whose sum is σ = 1567641600. Its totient is φ = 1207405056.
The previous prime is 1380519667. The next prime is 1380519677. The reversal of 1380519673 is 3769150831.
It is not a de Polignac number, because 1380519673 - 217 = 1380388601 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1380519677) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2881848 + ... + 2882326.
It is an arithmetic number, because the mean of its divisors is an integer number (48988800).
Almost surely, 21380519673 is an apocalyptic number.
1380519673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1380519673 is a deficient number, since it is larger than the sum of its proper divisors (187121927).
1380519673 is a wasteful number, since it uses less digits than its factorization.
1380519673 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 681.
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 1380519673 is about 37155.3451470983. The cubic root of 1380519673 is about 1113.4760153846.
The spelling of 1380519673 in words is "one billion, three hundred eighty million, five hundred nineteen thousand, six hundred seventy-three".
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