Base | Representation |
---|---|
bin | 100100001101110101… |
… | …011011001000100000 |
3 | 10201101002101211201021 |
4 | 210031311123020200 |
5 | 1114120011023430 |
6 | 25510411215224 |
7 | 2544436316161 |
oct | 441565331040 |
9 | 121332354637 |
10 | 38886814240 |
11 | 1554565810a |
12 | 7653147514 |
13 | 3889565c71 |
14 | 1c4c7d9768 |
15 | 1028de907a |
hex | 90dd5b220 |
38886814240 has 48 divisors (see below), whose sum is σ = 91882170072. Its totient is φ = 15552681984.
The previous prime is 38886814207. The next prime is 38886814243. The reversal of 38886814240 is 4241868883.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 27783555856 + 11103258384 = 166684^2 + 105372^2 .
It is not an unprimeable number, because it can be changed into a prime (38886814243) 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, 1993012 + ... + 2012428.
Almost surely, 238886814240 is an apocalyptic number.
It is an amenable number.
38886814240 is an abundant number, since it is smaller than the sum of its proper divisors (52995355832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38886814240 is a wasteful number, since it uses less digits than its factorization.
38886814240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31949 (or 31941 counting only the distinct ones).
The product of its (nonzero) digits is 2359296, while the sum is 52.
The spelling of 38886814240 in words is "thirty-eight billion, eight hundred eighty-six million, eight hundred fourteen thousand, two hundred forty".
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