Base | Representation |
---|---|
bin | 1110001011110… |
… | …10010101100100 |
3 | 22021220022211201 |
4 | 13011322111210 |
5 | 220430141210 |
6 | 15450212244 |
7 | 2643254101 |
oct | 705722544 |
9 | 267808751 |
10 | 118990180 |
11 | 611920a1 |
12 | 33a24084 |
13 | 1b8623ba |
14 | 11b35aa8 |
15 | a6a653a |
hex | 717a564 |
118990180 has 24 divisors (see below), whose sum is σ = 250774272. Its totient is φ = 47425632.
The previous prime is 118990133. The next prime is 118990181. The reversal of 118990180 is 81099811.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (118990181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4852 + ... + 16171.
It is an arithmetic number, because the mean of its divisors is an integer number (10448928).
Almost surely, 2118990180 is an apocalyptic number.
118990180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
118990180 is an abundant number, since it is smaller than the sum of its proper divisors (131784092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118990180 is a wasteful number, since it uses less digits than its factorization.
118990180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21315 (or 21313 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 37.
The square root of 118990180 is about 10908.2620063876. The cubic root of 118990180 is about 491.8549432462.
The spelling of 118990180 in words is "one hundred eighteen million, nine hundred ninety thousand, one hundred eighty".
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