Base | Representation |
---|---|
bin | 101001010110011… |
… | …1000001010110110 |
3 | 10120200211002212010 |
4 | 1102230320022312 |
5 | 10320144333433 |
6 | 345402505050 |
7 | 46245344121 |
oct | 12254701266 |
9 | 3520732763 |
10 | 1387496118 |
11 | 652229408 |
12 | 328805186 |
13 | 1915c1328 |
14 | d23b93b8 |
15 | 81c24e63 |
hex | 52b382b6 |
1387496118 has 64 divisors (see below), whose sum is σ = 2919813120. Its totient is φ = 439171200.
The previous prime is 1387496113. The next prime is 1387496119. The reversal of 1387496118 is 8116947831.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1387496113) 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, 1358448 + ... + 1359468.
It is an arithmetic number, because the mean of its divisors is an integer number (45622080).
Almost surely, 21387496118 is an apocalyptic number.
1387496118 is an abundant number, since it is smaller than the sum of its proper divisors (1532317002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1387496118 is a wasteful number, since it uses less digits than its factorization.
1387496118 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1213.
The product of its digits is 290304, while the sum is 48.
The square root of 1387496118 is about 37249.1089557858. The cubic root of 1387496118 is about 1115.3485120478.
The spelling of 1387496118 in words is "one billion, three hundred eighty-seven million, four hundred ninety-six thousand, one hundred eighteen".
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