Base | Representation |
---|---|
bin | 1110000111111… |
… | …11100001010000 |
3 | 22020221202202212 |
4 | 13003333201100 |
5 | 220313041440 |
6 | 15431331252 |
7 | 2636060333 |
oct | 703774120 |
9 | 266852685 |
10 | 118487120 |
11 | 60979144 |
12 | 33820b28 |
13 | 1b71742b |
14 | 11a4461a |
15 | a607465 |
hex | 70ff850 |
118487120 has 30 divisors (see below), whose sum is σ = 275709102. Its totient is φ = 47355904.
The previous prime is 118487113. The next prime is 118487129. The reversal of 118487120 is 21784811.
It can be written as a sum of positive squares in 3 ways, for example, as 2795584 + 115691536 = 1672^2 + 10756^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (118487129) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96752 + ... + 97968.
Almost surely, 2118487120 is an apocalyptic number.
118487120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
118487120 is an abundant number, since it is smaller than the sum of its proper divisors (157221982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118487120 is an frugal number, since it uses more digits than its factorization.
118487120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447 (or 1224 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 32.
The square root of 118487120 is about 10885.1789144690. The cubic root of 118487120 is about 491.1608185634.
The spelling of 118487120 in words is "one hundred eighteen million, four hundred eighty-seven thousand, one hundred twenty".
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