Base | Representation |
---|---|
bin | 100111010011011… |
… | …0111110111001100 |
3 | 10101220120122111211 |
4 | 1032212313313030 |
5 | 10200104010012 |
6 | 334510424204 |
7 | 44452504150 |
oct | 11646676714 |
9 | 3356518454 |
10 | 1318813132 |
11 | 61748790a |
12 | 309802064 |
13 | 1802c4100 |
14 | c721b060 |
15 | 7aba96a7 |
hex | 4e9b7dcc |
1318813132 has 36 divisors (see below), whose sum is σ = 2856138096. Its totient is φ = 521726400.
The previous prime is 1318813121. The next prime is 1318813141. The reversal of 1318813132 is 2313188131.
It is a junction number, because it is equal to n+sod(n) for n = 1318813094 and 1318813103.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134619 + ... + 144082.
Almost surely, 21318813132 is an apocalyptic number.
It is an amenable number.
1318813132 is an abundant number, since it is smaller than the sum of its proper divisors (1537324964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1318813132 is a wasteful number, since it uses less digits than its factorization.
1318813132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278738 (or 278723 counting only the distinct ones).
The product of its digits is 3456, while the sum is 31.
The square root of 1318813132 is about 36315.4668426553. The cubic root of 1318813132 is about 1096.6324370815.
The spelling of 1318813132 in words is "one billion, three hundred eighteen million, eight hundred thirteen thousand, one hundred thirty-two".
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