Base | Representation |
---|---|
bin | 110111010110101010… |
… | …0010111110000101000 |
3 | 102100211101110222120021 |
4 | 1232231110113300220 |
5 | 3421422202244220 |
6 | 130335313410224 |
7 | 11405520416326 |
oct | 1565524276050 |
9 | 370741428507 |
10 | 118871915560 |
11 | 46460108632 |
12 | 1b055b69974 |
13 | b295582598 |
14 | 5a795b6d16 |
15 | 315ae234aa |
hex | 1bad517c28 |
118871915560 has 32 divisors (see below), whose sum is σ = 268135553160. Its totient is φ = 47428989696.
The previous prime is 118871915537. The next prime is 118871915567. The reversal of 118871915560 is 65519178811.
It can be written as a sum of positive squares in 4 ways, for example, as 117935922724 + 935992836 = 343418^2 + 30594^2 .
It is a super-2 number, since 2×1188719155602 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 118871915498 and 118871915507.
It is not an unprimeable number, because it can be changed into a prime (118871915567) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 3726939 + ... + 3758698.
Almost surely, 2118871915560 is an apocalyptic number.
118871915560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
118871915560 is an abundant number, since it is smaller than the sum of its proper divisors (149263637600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118871915560 is a wasteful number, since it uses less digits than its factorization.
118871915560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7486045 (or 7486041 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 52.
The spelling of 118871915560 in words is "one hundred eighteen billion, eight hundred seventy-one million, nine hundred fifteen thousand, five hundred sixty".
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