Base | Representation |
---|---|
bin | 101001001001011… |
… | …1000000101010000 |
3 | 10120012222210220220 |
4 | 1102102320011100 |
5 | 10311423230031 |
6 | 345000433040 |
7 | 46133405112 |
oct | 12222700520 |
9 | 3505883826 |
10 | 1380680016 |
11 | 6493a3371 |
12 | 326478780 |
13 | 190075a31 |
14 | d15233b2 |
15 | 8132a596 |
hex | 524b8150 |
1380680016 has 40 divisors (see below), whose sum is σ = 3584886624. Its totient is φ = 457887360.
The previous prime is 1380680009. The next prime is 1380680047. The reversal of 1380680016 is 6100860831.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 63550 + ... + 82461.
Almost surely, 21380680016 is an apocalyptic number.
1380680016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
1380680016 is an abundant number, since it is smaller than the sum of its proper divisors (2204206608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1380680016 is a wasteful number, since it uses less digits than its factorization.
1380680016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146219 (or 146213 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 1380680016 is about 37157.5028224449. The cubic root of 1380680016 is about 1113.5191226233.
The spelling of 1380680016 in words is "one billion, three hundred eighty million, six hundred eighty thousand, sixteen".
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