Base | Representation |
---|---|
bin | 101001001000101… |
… | …0111010100001111 |
3 | 10120012020200020011 |
4 | 1102101113110033 |
5 | 10311323034123 |
6 | 344544134051 |
7 | 46130134423 |
oct | 12221272417 |
9 | 3505220204 |
10 | 1380283663 |
11 | 649152600 |
12 | 326307327 |
13 | 18cc674c5 |
14 | d145cb83 |
15 | 8129ce0d |
hex | 5245750f |
1380283663 has 12 divisors (see below), whose sum is σ = 1518131160. Its totient is φ = 1254009680.
The previous prime is 1380283651. The next prime is 1380283679. The reversal of 1380283663 is 3663820831.
It is a de Polignac number, because none of the positive numbers 2k-1380283663 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1380283603) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280581 + ... + 285457.
It is an arithmetic number, because the mean of its divisors is an integer number (126510930).
Almost surely, 21380283663 is an apocalyptic number.
1380283663 is a deficient number, since it is larger than the sum of its proper divisors (137847497).
1380283663 is a wasteful number, since it uses less digits than its factorization.
1380283663 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7238 (or 7227 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 40.
The square root of 1380283663 is about 37152.1690214717. The cubic root of 1380283663 is about 1113.4125594614.
The spelling of 1380283663 in words is "one billion, three hundred eighty million, two hundred eighty-three thousand, six hundred sixty-three".
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