Base | Representation |
---|---|
bin | 100011110001101111… |
… | …101100011100001100 |
3 | 10200011020122011000022 |
4 | 203301233230130030 |
5 | 1112133340101340 |
6 | 25351534321312 |
7 | 2526654534455 |
oct | 436157543414 |
9 | 120136564008 |
10 | 38415550220 |
11 | 15323638513 |
12 | 7541359238 |
13 | 3812a32708 |
14 | 1c05da412c |
15 | eec85a3b5 |
hex | 8f1bec70c |
38415550220 has 12 divisors (see below), whose sum is σ = 80672655504. Its totient is φ = 15366220080.
The previous prime is 38415550213. The next prime is 38415550223. The reversal of 38415550220 is 2205551483.
It is not an unprimeable number, because it can be changed into a prime (38415550223) 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 3 ways as a sum of consecutive naturals, for example, 960388736 + ... + 960388775.
It is an arithmetic number, because the mean of its divisors is an integer number (6722721292).
Almost surely, 238415550220 is an apocalyptic number.
It is an amenable number.
38415550220 is an abundant number, since it is smaller than the sum of its proper divisors (42257105284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38415550220 is a wasteful number, since it uses less digits than its factorization.
38415550220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1920777520 (or 1920777518 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 35.
The spelling of 38415550220 in words is "thirty-eight billion, four hundred fifteen million, five hundred fifty thousand, two hundred twenty".
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