Base | Representation |
---|---|
bin | 1110001001000… |
… | …10000111010100 |
3 | 22021012222011000 |
4 | 13010202013110 |
5 | 220332110240 |
6 | 15434343300 |
7 | 2640220422 |
oct | 704420724 |
9 | 267188130 |
10 | 118628820 |
11 | 60a65652 |
12 | 3388ab30 |
13 | 1b766a8b |
14 | 11a80112 |
15 | a634430 |
hex | 71221d4 |
118628820 has 48 divisors (see below), whose sum is σ = 369069120. Its totient is φ = 31634208.
The previous prime is 118628819. The next prime is 118628831. The reversal of 118628820 is 28826811.
118628820 is a `hidden beast` number, since 1 + 1 + 8 + 628 + 8 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109302 + ... + 110381.
It is an arithmetic number, because the mean of its divisors is an integer number (7688940).
Almost surely, 2118628820 is an apocalyptic number.
118628820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
118628820 is an abundant number, since it is smaller than the sum of its proper divisors (250440300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118628820 is a wasteful number, since it uses less digits than its factorization.
118628820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219701 (or 219693 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 118628820 is about 10891.6858199271. The cubic root of 118628820 is about 491.3565353701.
The spelling of 118628820 in words is "one hundred eighteen million, six hundred twenty-eight thousand, eight hundred twenty".
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